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USPTO Terms of Art — M to MET

Glossary of USPTO Terms of Art

| A | B | C-CL | CM-CZ | D-DIM | DIM-DZ | E | F | G | H | I | J-K | L | M-MET | MET-MZ | N | O | P-PHA | PHE-PON | POR-PZ | Q | R | S-SEPA | SEPO-SMT | SN-STEM | STEP-SZ | T-TOG | TON-TZ | U | V | W | X-Z |

MACHINE (CLASS 015)
Defined in this class as an organization including a mechanism, which contains within itself its own guide for operation, to move either (1) a cleaning agency, or a coating agency of a type recognized in this class, relative to the work surface or (2) a means to constrain the work and said agency to some type of definite relative motion in response to manual or other actuation. (Note: A guide on a stripping brush aids in directing the brush but does not constrain it to any definite path other than that determined by the work itself).

MACHINE (CLASS 184)
The term "machine" includes any device having bearing parts.

MACHINE (CLASS 249)
Usually a power driven (e.g., motor) organization including a mechanism, which contains within itself its own guide for operation which once commenced the operator lacks control thereover except for starting and stopping the same.

MACHINE (CLASS 355)
A complete unit in itself for imaging an original or carrier onto a receiver. It may also include means for developing, transferring and fixing the image, as well as means for handling the record carrier on which the image is fixed.

MACHINE (CLASS 399)
A complete unit, in itself, for imaging an original or carrier onto a receiver. It may also include means for developing, transferring, and fixing the image, as well as means for handling the record carrier on which the image is fixed.

MACHINE (CLASS 407)
An assembly of components adapted to support work and a tool* and bring them together to perform a shaping operation by piercing the work with the tool and removing a chip therefrom. Specifically, a machine for use with the cutter of this class will be a "milling, gear cutting, or planing" machine or a lathe.

MACHINE-FRAME (CLASS 408)
Structure relative to which a tool moves during operation, which structure is of particular utility due to its physical configuration for supporting the weight of a tool or for counteracting the thrust of the tool, wherein the tool to be supported or the force of which is to be counteracted is adapted to perform an operation of this class type.

MACHINING (CLASS 029)
The physical act of or means for shaping by removing material by means of a cutting edge. This term includes milling, cutting, turning, boring, drilling, abrading, broaching, filing, sawing, punching, blanking, and planing.

MACROSCOPIC (CLASS 510)
Denotes a shape discernible by the naked eye.

MAGNETIC (CLASS 400)
A property of nature resulting in attraction or orientation of a ferrous material relative to a body having such a property. Examples of such a body include the earth, a loadstone, and a coil of wire in an electrical circuit, all of which have, or can generate, a magnetic field. Magnetism is used to produce a force, as in a magnetic solenoid, or to transmit a force, as in a magnetic clutch. Magnetic also describes a property inherent in an auxiliary-record-program* containing ferrous particles capable of being oriented or reoriented relative to the auxiliary record, the orientation of the particles being sensed to effect a typing operation in response to the sensing.

MAGNETIC (CLASS 428)
A material exhibiting the inherent property of magnetism, which is dependent on the electronic configuration of the atom, crystalline and molecular structure, and coupling between electrons arising from the orbital and spin magnetic moments of the nucleus and electrons. A material is considered magnetic for the purposes of this class if it exhibits a nonzero magnetic moment, such as in paramagnetism, ferromagnetism, and ferrimagnetism.

MAGNETIC BODY (CLASS 336)
Same as "CORE" above.

MAGNETIC FORCE MICROSCOPE (CLASS 977)
Scanning probe microscope in which a magnetic force causes the tip to move.

MAGNETIC MIRRORS (CLASS 376)
See Mirror Field.

MAGNETICALLY CONTROLLED SPACE DISCHARGE DEVICE (CLASS 331)
An active element comprising means for producing a space discharge of charged particles and having further means for subjecting the space discharge to the direct control of a magnetic field and an electric field.

MAGNETOSTRICTIVE MOTOR (CLASS 318)
A motor having a magnetizable member or which has its dimensions changed as a result of changing currents in the electromagnetic field producing means which effects the magnetizable member, the physical distortion or change in dimensions producing the mechanical energy.

MAGNETRON (CLASS 331)
A magnetically controlled space discharge device comprising a linear cathode, an anode, usually cylindrical, coaxial therewith, the magnetic field being parallel to longitudinal axis of the cathode, while the electric field is transverse thereto.

MAGNITUDE OR LEVEL CONTROL (CLASS 323)
Includes controlling either the amplitude of the current or voltage or controlling the average or effective value of the current or voltage, even through the amplitude is not controlled.

MAINSTREAM (CLASS 210)
The main body of liquid being treated as constrasted with separated constituents. The mainstream may comprise several divided streams, some of which undergo treatment and which are a substantial part of the overall feed but a relatively small stream diverted for a dosing technique in which agents are added in a concentrated amount and the diverted stream is diluted with the main body is not considered to be the mainstream, per se. A recirculated portion of the stream is not considered to be the mainstream.

MAJORITY CARRIER (CLASS 257)
The predominant charge carrier in a semiconductor. Electrons are majority carriers in n-type semiconductors. Holes are majority carriers in p-type semiconductors.

MAJORITY CARRIER (CLASS 438)
The predominant charge carrier in a semiconductor. Electrons are majority carriers in n-type semiconductors. Holes are majority carriers in p-type semiconductors.

MAJORITY CARRIERS (CLASS 330)
See the definition of N- or P-type conductivity below.

MAJORITY CURRENT (CLASS 257)
Current caused by the flow of majority carriers.

MALLEABLEIZING (CLASS 148)
A process applied to cast irons whereby the combined carbon in the as-cast microstructure is graphitized to form temper carbon. When combined with decarburization of the surface, the resulting product is termed white-heart malleable iron.

MANDREL (CLASS 425)
A shaping form over or around which material is shaped or a preform is resized.

MANIFOLDING (CLASS 462)
The process of simultaneously producing indicia on an under-body* such as a flexible sheet+ or strip* by impression* of such indicia on an upper-body*.

MANIPULATE (CLASS 269)
see "HAND"

MANIPULATING (CLASS 173)
Moving the tool drive from one place to another to perform a function upon work. This movement is separate from or in addition to the advance movement of the tool.

MANIPULATING HANDLE (CLASS 173)
A means specifically intended to be grasped by the hand or hands of an operator to move the tool drive, of which it forms a part, to different positions with respect to the work, and to be continually grasped by the operator as the tool advances in performing a function upon work.

MANUFACTURE (CLASS 141)
In order to draw a line with the manufacturing classes which may include filling, the term is used here as meaning an operation on material, or apparatus for operating on material, to effect a permanent or irreversible change in the physical character of the material, e.g. cutting, crushing, shaping and boring, or to arrange the parts of an article of manufacture into their desired relation, i.e., assembling.

MANUFACTURING (CLASS 029)
The physical act of or means for creating, constructing, fabricating, machining, working, shaping, assembling, disassembling, and repairing of machines, devices, and things (articles).

MARGIN (CLASS 400)
The distance from an edge of the record-medium* to the closest character* symbol of a print-line* to that edge. The term is most usually used when a plurality of print-lines are typed and the first imprinted characters of each of the print-lines are all equally spaced from the edge. When typing any language that is read from left to right, the left margin is the distance from the left edge to these first characters and will usually be parallel to that edge, whereas the right margin is the distance of the right edge to the last characters of the successive print-lines. However, because the number of characters in a print-line is subject to chance, the right margin will usually not be equally spaced from the right edge unless "justification" is performed. For a discussion of justification, see (1) Note to the definition of subclass 1 below.

MARGIN-STOP (CLASS 400)
A member that is used to stop the movement of a carriage* when the carriage reaches the margin* of the record-medium*. The margin-stop of a platen* carriage (see the definition of carriage in this Glossary) is usually mounted on the platen carriage for movement therewith and cooperates with a stop fixed to the frame of the typewriter, whereas the margin-stop of a "typehead-carriage" (see the definition of carriage in this Glossary) is usually mounted on the frame of the typewriter and cooperates with a stop mounted on the type-head carriage for movement therewith, but in either typewriter one margin-stop may be set for various margin distances for the left margin and another margin-stop may be set for various margin distances for the right margin.

MARK (CLASS 347)
A discrete area on the medium which contains the plurality of portions*. Unless otherwise indicated, "mark" and "symbol" are used synonymously in the subclass definitions of this class.

MARKING (CLASS 347)
The specific manner by which the mark* is formed; e.g., ink jet, impact, thermal, electric (e.g., toner applied to a latent image), or radiation.

MARKUP LANGUAGE (CLASS 707)
A language in which a set of annotations, or tags, are embedded within text. The annotations are designed to indicate the structure, formatting, or display instructions for a given section of text or data. Common examples of a Markup Language are HTML, SGML and XML. See also Extensible Markup Language and Semi-Structured Data.

MARTEMPERING (CLASS 148)
A process which involves preliminary quenching of austenized metal to a temperature just above the Ms temperature and holding until the temperature is equalized throughout the metal, followed by air cooling through the martensite transformation range and subsequent reheating to produce tempered martensite of the desired strength level.

MARVERING (CLASS 065)
Rolling a gather of glass on a flat plate whereby it is shaped and cooled.

Masking (CLASS 704)
1. The interference with the perception of one sound (the signal) with another sound (the masker). 2. The number of decibels by which a masking sound will raise (or change) a listener'S threshold of audibility of other sounds.

MASS (CLASS 428)
A body of material of indefinite or indeterminate shape. (Structural)

MASTER (CLASS 355)
(a) The negative or positive original from which reproductions are made; (b) a microform copy which is used for the production of copies; or (c) a copy from which additional reproductions are made.

MASTER (CLASS 399)
(a) The negative or positive original from which reproductions are made, (b) a microform copy used for the production of copies, or (c) a copy from which additional reproductions are made.

MASTER-KEY (CLASS 070)
One designed for control of all of a plurality or series of lock operating mechanisms, each of which has its individually distinct operating means or implement.

MASTERSLICE ARRAY/MASTERCHIP (CLASS 257)
A substrate that contains active and passive electronic components in a predetermined pattern which may be connected into different logic or analog circuits.

MASTERSLICE ARRAY/MASTERCHIP (CLASS 438)
A substrate that contains active and passive electronic components in a predetermined pattern which may be connected into different logic or analog circuits.

MATCH PLATE PATTERN (CLASS 164)
A pattern plate with several patterns secured thereto or a plate having matching pattern portions mounted on opposite sides.

MATERIAL (CLASS 100)
The solid substance subjected to compressive force or about which a binder is applied.

MATERIAL (CLASS 226)
The work, stock, web, strand or other interconnected stuff which is being advanced.

MATERIAL (CLASS 366)
A mass of fluid, viscous, particulate, or plastic substance which is to be agitated.

MATERIAL (CLASS 401)
A liquid or solid substance which is intended to be applied to a work surface as a coating.

MATERIAL GUIDE (CLASS 141)
Means other than funnels to direct material from supply to receiver without forming a flow-confining connection between them. Examples of material guides in this class are: (1) A nonflow support for contents material associated with a receiver support over which the material can be pushed or moved manually into the receiver; (2) A flow directing detachable extension of a receiver inlet which may be either tubular or channel-shaped in cross-section. If tubular and tapering, it must either engage the receiver externally or be located entirely within the receiver. Cf funnel, above; or (3) An extension of a supply container which is hand held, the extension being designed to engage the receiver and direct the flow thereto.

MATERIALIZED VIEW (CLASS 707)
A cached representation (typically as a table) of query results which may be updated from the original database tables from time to time to promote efficient access and reduction in query execution time

MATING PART (CLASS 439)
A coupling part for electrically connecting with a specific coupling part. Actually a coupling part and a mating part are structurally the same, the distinct terminology is used in this class as an aid to expression.

MATING-MEMBER (CLASS 227)
A "mating-member". A. discrete element which has as its sole disclosed function that of aiding in maintaining a driven member in its penetrated relationship with the work, or has such a peculiar shape as to be obviously intended to perform this sole function; this sole function being accomplished by permanent interassociation or interlocking of the member and the "mating-member". (Note-A "mating-member" for the purposes of this class is considered a workpiece.)

MATRIX (CLASS 149)
As used in this class refers to a shapeless mass resulting by solidifying at least one component from either its liquid or molten state in more or less a continuous phase and wherein there is dispersed throughout at least a second component in particulate form and in substantially a discontinuous phase.

MAXWELL-BOLTZMANN STATISTICS (CLASS 977)
Statistical distribution of classical (nonquantum) particles, such as molecules in a gas, etc., between energy states.

MBE (CLASS 117)
Molecular Beam Epitaxy*.

MBE (CLASS 438)
molecular beam epitaxy

MBM JUNCTION (CLASS 257)
Active solid-state devices having metal-barrier-metal layer junctions.

MBM JUNCTION (CLASS 438)
Active solid-state devices having metal-barrier-metal layer junctions.

mc (CLASS 438)
microcrystalline

MCM (CLASS 438)
multichip module

MCT (CLASS 438)
(a) MOS controlled thyristor or (b) HgCdTe

MCz (CLASS 438)
magnetic Czoshralski

MEASURING-TESTING (CLASS 356)
Measuring usually involves a more precise and quantitative determination of the characteristic or property in question. Testing may be a mere indication of the presence or absence of the characteristic or property, and may involve only a mere inspection or viewing of the phenomenon or specimen. It should be recognized that the two terms overlap to some extent in meaning.

MECHANICAL-INTERLOCK BOND (CLASS 425)
A joint made by random lapping of discrete pieces, (e.g., as in a bale of paper, etc.).

MEDIA (CLASS 435)
Material which supports or sustains growth of microorganisms which material may contain substances which will not support or may inhibit the growth of selected microorganisms.

MEDIUM (CLASS 347)
A substrate on which the visibly distinguishable or latent symbol or mark is formed.

MEETING FACE (CLASS 228)
That portion of a work part* intended to abut and be fusion bonded to another similar portion of the same or another work part.

Mel (CLASS 704)
A subjective measure of pitch based upon a signal of 1000 Hz. being defined as "1000 mels" where a perceived frequency twice as high is defined as 2000 mels and half as high as 500 mels.

MELT (CLASS 164)
Metal that has been melted in preparation for casting.

MEM (CLASS 438)
micro-electromechanical

MEMBER (CLASS 227)
An object, or the end portion of indeterminate length material, comprising at least one pointed and/or generally elongated rod-like or tubular projection disclosed as being intended to penetrate* work* when the member, or the work, is engaged and bodily moved by a driver* substantially in the directing of said projection(s).

MEMBER (CLASS 403)
One of a plurality of structures which are connected. See (1) Note.

MEMBER(S) (CLASS 277)
These are component(s) that make up the seal.

MEMBRANE (CLASS 210)
A skinlike thin film which acts as a barrier or container wall; the usual form of a permeable or semipermeable septum. A semipermeable membrane is a skinlike, relatively thin film which serves to define a barrier or container wall to at least one of the constituents of a solution or colloidal suspension and allows at least one other constituent to pass through by a mechanism which may include but goes beyond mere straining and which mechanism is in part due to differences in behavior of the constituents of the solution or suspension with respect to the material of the membrane. The constituents vary in their ability to diffuse through or to wet the membrane. Membranelike includes mambrane, per se, and material which, while not strictly in a self-supporting skinlike structure, functions in an analogous manner and includes a layer of fine particulate matter or an emulsion as set out in subclass 643. A process which depends only on the relative size of pores and molecules or ions of a constituent is a filtering or straining process and is classified under separation, subclass 767.

MEMORY (CLASS 345)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 706)
A functional unit to which data can be stored and which data can be retrieved.

MEMORY (CLASS 707)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 709)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 711)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 712)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 713)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 714)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 718)
A functional unit to which data can be stored and from which data can be retrieved.

MEMORY (CLASS 719)
A functional unit to which data can be stored and from which data can be retrieved.

MEMS (MICROELECTROMECHANICAL SYSTEMS) (CLASS 977)
Systems including components from 1-100 microns in size with a movable member and an electrical input and/or output to the movable member; refers to scanning probes and other devices interfacing with the nanoscale; differentiated from nanotechnology not just in size but also via top-down versus bottom-up manufacturing approach.

MENSURATION (CLASS 356)
Measurement of lengths, areas, or volumes.

MESFET (CLASS 438)
metal semiconductor FET (Schottky gate)

MESSAGE (CLASS 342)
A signal used to convey intelligence, such as telephone signals (e.g., speech). "Message" is used in a more limited sense than "signal" for the purpose of classification in this class, in that "signal" includes the transmission of control impulses for operating mechanisms other than mere signal reproducers.

MESSAGE (CLASS 343)
A signal used to convey intelligence, such as telegraph signals or telephone signals (e.g., speech). Message is used in more limited sense than signal for the purpose of classification in this class in that signal includes the transmission of control impulses for operation mechanism other than mere signal reproducers.

MESSAGE (CLASS 725)
In telecommunications, a combination of characters and symbols transferred from one point to another.

METADATA (CLASS 707)
Data about data, typical examples include author of document, date, timestamp..

METAL (CLASS 072)
The material subjected to an operation of the class type; an elemental metal or alloy of mixture thereof in self-shape-sustaining state (i.e., not molten, gaseous, or powdered); metal as the term is employed in Class 29, Metal Working, and Class 148, Metal Treatment.

METAL (CLASS 117)
Element other than non-metal* (see non-metal*).

METAL (CLASS 216)
As found in the periodic table of the elements, is any element not named in the following listing, all group VIII, VIIB, VIB elements except polonium, nitrogen, phosphorus, carbon, silicon, and boron.

METAL (CLASS 228)
Material which may be subjected to an operation of the class type; an elemental metal or alloy of mixture of metals in self-shape-sustaining state (i.e., not molten, gaseous, or powdered).

METAL (CLASS 428)
A material having a continuous phase of any element of the periodic table except hydrogen, a noble gas, a halogen, a chalcogen (oxygen, sulfur, selenium, tellurium), nitrogen, phosphorus, carbon and boron. Elemental silicon is considered to be a metal, but a silicon compound is not considered to be a metal compound on the basis of silicon content. The term "metal compound" in a subclass title does not include glass or asbestos, unless specifically included by title or definition. The metal may be a pure metal or an alloy as defined in Class 75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, subclass 122, (1) Note. An intermetallic compound of two or more metals, e.g., a metal silicide, aluminide, etc., is considered to be an alloy. (Nonstructural or Composition)

METAL (CLASS 502)
An element that is not designated a nonmetal as listed infra. Nonmetals are H, B, C, Si, N, P, O, S, Se, Te, Halogens (F, Cl, Br, I, At,) and noble gases (He, Ne, Ar, Kr, Xe, Rn). The various types or groups of metals are as set out at the beginning of the schedule.

METAL CORROSION (CLASS 510)
For purposes of this class, the term denotes impairment or deterioration of a metal surface, such as erosion, embrittlement, tarnishing, or discoloration, usually by chemical action.

METAL-GATE FET (CLASS 257)
A field effect transistor having a gate conductor made of metal, rather than polycrystalline semiconductor material.

METAL-OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (MOSFET) (CLASS 257)
See INSULATED GATE FIELD EFFECT TRANSISTOR.

METAL-OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (MOSFET) (CLASS 438)
See Insulated-gate Field Effect Transistor.

METAL, NON-SEMICONDUCTOR (CLASS 117)
See NON-SEMICONDUCTOR METAL.

METAL* (CLASS 075)
Element other than nonmetal (q.v.).

METAL* (CLASS 420)
Element other than nonmetal (q.v.)

METALLIC (CLASS 428)
Composed entirely of metal* or having adjacent metal components. Since autogenous bonding of two metallic parts is thought to involve inherently either a diffusion or alloying between constituents of the two parts, this diffusion or alloy layer, even though of appreciable thickness, does not prevent the undiffused or unalloyed regions from being considered. (Structural)

METALLIC COMPOSITION (CLASS 075)
A composition which contains a continuous phase of metal and no continuous phase of nonmetal.

METALLIC COMPOSITION (CLASS 420)
A composition which contains a continuous phase of metal and no continuous phase of nonmetal.

METALLIZATION (CLASS 257)
A single or multilayer film pattern of electrically conductive material deposited on a substrate to interconnect electronic components, or the metal film on the bonding area of a substrate which becomes part of the bond and performs both an electrical and a mechanical function.

METALLIZATION (CLASS 438)
Process of coating (a) metal or (b) other material which is identified as having the conductive characteristic of a metal onto a semiconductor or a substrate containing semiconductor regions to form electrodes, contacts, interconnects, bonding pads, or heat sinks and also including formation of conductive material by doping of nonconductive material.

METALS (CLASS 257)
Elements other than non-metals. See NON-METALS.

METALS (CLASS 520)
Are limited to elements of atomic numbers 3, 4, 11-13, 19-33, 37-51, 55-84, 87, and higher.

(1) Note. The Group IA metals are Li, Na, K, Rb, Cs, Fr.

(2) Note. The Group IIA metals are Be, Mg, Ca, Sr, Ba, Ra.

(3) Note. The Group IIIA metals are Ai, Ga, In, Ti.

(4) Note. The Group IVA metals are Ge, Sn, Pb.

(5) Note. The Group VA metals are As, Sb, Bi.

(6) Note. The Group VIA metal is Po.

(7) Note. The Group IB metals are Cu, Ag, Au.

(8) Note. The Group IIB metals are Zn, Cd, Hg.

(9) Note. The Group IIIB metals are Sc, Y, La, Ac.

(10) Note. The Group IVB metals are Ti, Zr, Hf.

(11) Note. The Group VB metals are V, Nb, Ta.

(12) Note. The Group VIB metals are Cr, Mo, W.

(13) Note. The Group VIIB metals are Mn, Tc, Re.

(14) Note. The Group VIII metals are Fe, Ru, Os, Co, Rh, Ir, Nb, Pd, Pt.

(15) Note. "Transition metal" is limited to elements of atomic numbers 21-29, 39-47, 57-79, 89, and higher and does not include Zn, Cd, and Hg.


METALS AND NONMETALS (CLASS 532)
Hydrogen, boron, carbon, silicon, nitrogen, phosphorous, oxygen, sulfur, selenium, tellurium, the noble gases and the halogens, including astatine, are considered to be nonmetals. All other elements, including arsenic, are considered metals.

| A | B | C-CL | CM-CZ | D-DIM | DIM-DZ | E | F | G | H | I | J-K | L | M-MET | MET-MZ | N | O | P-PHA | PHE-PON | POR-PZ | Q | R | S-SEPA | SEPO-SMT | SN-STEM | STEP-SZ | T-TOG | TON-TZ | U | V | W | X-Z |

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