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Class 400: Typewriting Machines

This is the generic class for an apparatus wherein a user of the apparatus causes an intelligible character* to be imprinted on a record-medium* by a type-member* that is impressed on the record-medium, said type-member being selected from a plurality of different type-members, and the selected type-members being impressed serially to form a sequence of characters that record intelligible information.

Subclass 120.02: Multicolor
Subclass 208: Package attached to typewriter
Subclass 234: Including ribbon tensioner
Subclass 577: With means to prevent reverse rotation or ensure full increment (e.g., for backlash prevention)
Subclass 611: For feeding web record-medium
Subclass 616.1: Including laterally adjustable bands (e.g., tractor feed, etc.)
Subclass 616.3: Pin wheel (e.g., on platen cylinder)
Subclass 648: PLATEN OR PLATEN-MOVING MECHANISM
Subclass 659: Cylindrical platen
Subclass 695: Means for correcting typing errors (e.g., by abrasive eraser, etc.)
Subclass 697: By overprinting (e.g, with coated material) to cancel error

Class 226: Advancing Material Of Indeterminate Length

A process or apparatus for handling indeterminate-length* material in one of the following ways: (1) moving such material in a direction generally along said length dimension, (2) sensing such material and imparting additional movement to, or otherwise controlling movement of, said material responsive to said sensing, (3) threading a new portion of such material into or through material moving apparatus or (4) constraining such material through a certain path of movement relative to a disclosed material moving apparatus.

Subclass 143: With means to effect feed and retrograde movement
Subclass 17: By roller pair engaging web margin
Subclass 20: Responsive to photocell detection
Subclass 30: By means to vary speed of feed roll
Subclass 42: By variable speed power source
Subclass 45: Detector means
Subclass 74: Pins on flexible belt or chain
Subclass 76: Rotating sprocket (e.g., pin-wheel)
Subclass 87: Including detail of prong shape or construction
Subclass 91: THREADING DEVICE

Class 462: Books, Strips, And Leaves For Manifolding

This class provides for (a) an article comprising an upperbody and an underbody for simultaneously receiving indicia on the upperbody and the underbody as a member produces that indicia on the upperbody; and (b) a method of or apparatus for simultaneously producing indicia on the upperbody and underbody of such an article.

Subclass 3: With feed means
Subclass 50: Including pin wheel feed means

Class 33: Geometrical Instruments

Means for determining the characteristics and the mutual relation of points, lines, angles, surfaces, and solids, considered as having no properties but those arising from extension and difference of situation. It includes mechanically guided means for describing lines.

Subclass 1M: X-Y motion
Subclass 18.1: SCRIBER
Subclass 23.03: Superposed carriages
Subclass 32.3: Moving scriber
Subclass 32.4: And sheet
Subclass 34: Ink

Class 346: Recorders

Making a record of the movements of machines or instruments whose movements are desired to be recorded and at least temporarily preserved. Making a record of any phenomenon capable of being detected either quantitatively or qualitatively and recorded for at least temporary preservation: The preceding in general require (a) the means to make the record, (b) the means to detect qualitatively or quantitatively the movement or other phenomenon, and (c) the means actuated in accordance with the movement or other phenomenon to cause the record making means to function.

Subclass 134: RECORD RECEIVERS AND/OR DRIVING MEANS THEREFOR
Subclass 136: Web
Subclass 138: Drum
Subclass 139B: Cable drive means
Subclass 139R: MARKERS AND/OR DRIVING MEANS THEREFOR
Subclass 140.1: With ink supply to marker

Class 417: Pumps

This is the general class for the pumping of fluids, and includes the pumping of slurries, fluent material and the like if handled in a manner not inconsistent with the handling of fluids. A pump is defined as means to move a fluid by taking it from one place or location and moving it to another place or location different from whence it came, the pump, therefore having an inlet and an outlet for the pumped fluid which are separate and distinct. The pumping of the fluid is generally accomplished by action thereon of a mechanical member (eg. piston) or by contact or entrainment with another fluid (eg. jet pumps). Also, the pumping may be accomplished by the direct action on the pumped fluid of an electric or magnetic. This class is the residual home for the formation of a vacuum in an enclosed space by a gettering action; a getter being a material which when placed in an enclosed space reduces the gas or vapor content of the space either by a chemical or physical action. Also, included are those devices and processes in which the fluid is ionized to permit or enhance the gettering action. These devices are often termed "getter-ion pumps".

Subclass 466: Inlet or discharge controlled by cooperating port in reciprocating cylinder and fixed member

Class 156: Adhesive Bonding And Miscellaneous Chemical Manufacture

This is the generic class for: Manufacturing processes and apparatus; manufacture of articles of commerce in which one of the manufacturing steps includes a chemical reaction; manufacture of panels from settable inorganic compositions; manufacture of electrical conductors of indefinite length.

Subclass 230: Direct contact transfer of adhered lamina from carrier to base
Subclass 241: To base coated with adhesive
Subclass 247: With stripping of adhered lamina
Subclass 268: Partial cutting bonded sandwich (e.g., grooving or incising)
Subclass 289: Utilizing parting or release material to prevent adhesion
Subclass 350: Automatic and/or material-triggered control
Subclass 353: Of cutter
Subclass 359: Of temperature and/or motion of heat exchange means
Subclass 361: Of feed or motion of indefinite length work or transfer carrying tape
Subclass 362: Of feed of articles to assembly station
Subclass 363: Responsive to presence, absence, or condition of article to which applied
Subclass 364: Sheet feeding
Subclass 367: With electrical controls
Subclass 510: With cutting, punching, piercing, severing, or tearing
Subclass 538: With work feeding or handling means
Subclass 543: Indefinite or running length work
Subclass 553: Discontinuous, spaced area, and/or patterned pressing
Subclass 574: Work traversing type and/or means applying work to wall or static structure

Class 101: Printing

Means not otherwise provided for adapted to produce characters or designs on surfaces by impression of types or dies or by applying coating material thereto through openings of previous portions of a pattern sheet, as in stenciling, or by impression from planos:graphic or intaglio surfaces.

Subclass 474: Work held on flat surface
Subclass 423: Cleaners
Subclass 425: CLEANING ATTACHMENTS

Class 347: Incremental Printing Of Symbolic Information

Processes and apparatus for conveying information by selectively creating on a medium a visibly distinguishable symbol or mark composed of a plurality of portions; created portion by portion as, for example, by pixels or dots. The symbol or mark may be an alphanumeric character or an image.

Subclass 171: THERMAL MARKING APPARATUS OR PROCESSES
Subclass 174: Single-head type (e.g., multipass)
Subclass 176: Having single layer colored transfer material
Subclass 214: Ink cassette or cartridge
Subclass 215: Record receiver and transfer medium feeding or driving means
Subclass 217: With transfer medium or driving means therefor
Subclass 218: Record receiver driving means
Subclass 219: Including tensioning means

Class 367: Communications, Electrical: Acoustic Wave Systems And Devices

The communication of information or intelligence in the form of travelling stresses in an elastic medium which are detected or generated by electric signal handling means wherein the electric signal represents the communicated information or intelligence.

Subclass 179: Pendulum type

Class 271: Sheet Feeding Or Delivering

Means for moving an individual sheet from a stack of sheets or positioning the individual sheet with respect to a location where the sheet is operated upon or moving or positioning the individual sheet after having been operated upon.

Subclass 227: Responsive to sheet-sensor
Subclass 228: To control gripper-couple moving sheet to alignment
Subclass 276: Including pneumatic means
Subclass 194: By pneumatic conveyor

Class 73: Measuring And Testing

Processes and apparatus for making a measurement of any kind or for making a test of any kind, and takes all such subject matter not provided for in other classes. The term "test" includes inspection, processes and apparatus for determining qualities by inspection being included where not provided for in other classes. This class is the generic class for sampling and takes all sampling apparatus and processes not otherwise provided.

Subclass 1.79: Displacement, motion, distance, or position

Class 250: Radiant Energy

This class provides for all methods and apparatus for using, generating, controlling or detecting radiant energy, combinations including such methods or apparatus, subcombinations of same and accessories therefore not classifiable elsewhere.

Subclass 252.1: CALIBRATION OR STANDARDIZATION METHODS
Subclass 559.1: With calibration

Class 702: Data Processing:Measuring, Calibrating, Or Testing

This class provides for apparatus and corresponding methods wherein the data processing system or calculating computer is designed for or utilized in an environment relating to a specific or generic measurement system, a calibration or correction system, or a testing system.

Subclass 87: Zeroing (e.g., null)
Subclass 94: Position measurement

Class 248: Supports

Devices which carry the weight of an article or articles or otherwise hold or steady it or them against the pull of gravity, and devices for holding an article to its support, which are not otherwise provided for.

Subclass 363: VACUUM

Class 269: Work Holders

A device which, during a work treating operation, contacts a workpiece for the purpose of (a) supporting the work against the force of gravity; or (b) preventing movement of the work in a particular direction or in all directions while, as disclosed, such work is supported against the force of gravity; or (c) providing a surface juxtaposed to the work for constraining the motion of a tool during its performance of such work treating operation. Holding articles together so that (by disclosure) a glue, cement or adhesive may set and secure said articles together is considered to be a work holding operation for this class. Thus a clamp or vise, disclosed for use by cabinet makers, carpenters, woodworkers, etc., to hold plural pieces together while an adhesive sets, is properly classifiable in this class.

Subclass 21: Vacuum-type holding means