PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

Enter class/subclass code:


Class Number: 492
 Class Title: ROLL OR ROLLER

Subclass  Subclass
Number    Title

  1       METAL DEFORMING ROLL
  2       .Antideflection means
  3       .Specific composition
  4       WITH INFLATABLE CHAMBER
  5       .Antideflection means
  6       WITH ANTIDEFLECTION MEANS
  7       .Rotatable relative to supporting shaft
  8       WITH MAGNETIC MEANS, PER SE
  9       WITH MEASURING, TESTING, OR INDICATING MEANS
  10      .Including signal or control means
  11      .Including gauge
  12      WITH IMPELLOR; E.G., FAN, PUMP
  13      WITH HANDLE
  14      .Rolling pin or pastry roller
  15      COMBINED; E.G., WITH DRIVING GEAR, WITH VIBRATING MEANS
  16      ROTATABLE RELATIVE TO SUPPORTING SHAFT
  17      .Coating treatment or applicator
  18      ..Printing or copying
  19      ..Hand held or guided
  20      .Paper treatment
  21      WITH INTERNAL WEDGING EXPANDER
  22      WITH SHEET EDGE HOLDER
  23      .Wringer
  24      .Coating treatment or applicator
  25      ..Printing or copying
  26      .Skin or paper treating
  27      TAPERED OR BEVELED
  28      WITH SPECIFIC ROLLER EXTERIOR SURFACE STRUCTURE
  29      .Pile or nap surface
  30      .Surface projections, indentations, or slits
  31      ..Plural direction alignnment of sets
  32      ...Outer screenlike layer over skeleton or perforate core; e.g.,
              Dandy roll
  33      ..Radially aligned
  34      ...With minor interruptions
  35      ..Helically aligned
  36      ..Longitudinally aligned
  37      ..Irregular or uneven arrangement; e.g., etched, shot blasted
  38      CIRCUMFERENTIAL SECTORS OR SEGMENTS
  39      SPACED PLURAL ANNULARS ALONG COMMON SHAFT
  40      AXIALLY STACKED ANNULAR MEMBERS
  41      .Cloth or fabric member
  42      WITH LEAF OR COIL SPRING MEMBER
  43      WITH SPIRAL MEMBER
  44      WITH HELICAL MEMBER
  45      WITH INTERNAL ANCHOR FOR ANNULAR MEMBER
  46      WITH HEATING, COOLING, OR HEAT TRANSFER MEANS
  47      WITH END RING OR REINFORCEMENT
  48      ROLL COVER, PER SE
  49      CONCENTRIC LAYERED ANNULUS
  50      .Fiber or wire reinforced
  51      .Mat or fabric internal layerr
  52      ..Adhesive bonded or resin impregnated
  53      .Specific composition
  54      ..Specific metallic composition
  55      ..With leather or fabric cover
  56      ..With rubber or elastomer cover
  57      SINGLE ANNULAR MEMBER, PER SE
  58      .Specific metallic composition
  59      .Specific nonmetallic composition
  60      MISCELLANEOUS