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: D16
 Class Title: PHOTOGRAPHY AND OPTICAL EQUIPMENT

Subclass  Subclass
Number    Title

  200     CAMERA OR BODY THEREFOR (1)
  201     .Simulative
  202     .Video type
  203     .Security surveillance type
  204     .Underwater
  205     .Cinematographic (i.e., motion picture type, etc.)
  206     ..With handgrip
  207     ..With multiple lens
  208     .Combined (e.g., with case, etc.)
  209     ..With flash or floodlight
  210     .Plural objective lens (e.g., stereoscopic, etc.) (2)
  211     .Folding or extending case or lens
  212     ..Laterally opening divided body
  213     .Lens on narrow side of body
  214     .Stand mounted (e.g., identification photo type, etc.)
  215     .Cabinet or booth type
  216     .Reflex viewing type
  217     ..Single lens
  218     .Separate lens and viewfinder (e.g., rangefinder type, etc.)
  219     .Element (3)
  220     ..Rangefinder or viewfinder
  221     PROJECTOR OR VIEWER
  222     .Stereoscopic
  223     .Combined with printer
  224     .Combined with splicer (i.e., film editing type, etc.)
  225     .Integrated unit (i.e., with self-contained image viewing and
            reflection or projection)
  226     ..Coin operated or arcade type
  227     ..With eyepiece
  228     ..Plural screen
  229     ..Foldable, collapsible or articulated
  230     .Motion picture type
  231     ..With carrying handle or case
  232     .Overhead or opague type
  233     .With provision for transparency magazine (i.e., with provision
            for magazine, shuttle mechanism, etc.)
  234     .With carrying handle or case
  235     .Element or attachment
  236     ..Transparency holder (e.g., magazine, cartridge, etc.) (4)
  237     PHOTOGRAPHIC ACCESSORY
  238     .Photometer, color, or exposure meter (5)
  239     .Camera mounted movie light or flash unit
  240     ..Provision for angle adjustment
  241     .Screen or element thereof
  242     .Support
  243     ..Handgrip or shoulder support
  244     ..Tripod or unipod
  245     ...Element
  246     .Film processing equipment (6)
  247     ..For medical image film
  248     ..Enlarger, printer or head therefor (7)
  249     ..Tray, tank or drumm
  250     ..Element or accessory
  100     OPTHALMIC ARTICLE (14)
  101     .Lens (15)
  102     .Eyeglasses, protective eyewear or frame therefor (16)
  103     ..Combined with diverse article
  104     ..Simulative
  105     ..Hand-held (e.g., lorgnette, etc.)
  106     ..Singular arm for attachment to body
  107     ..Provision for flexible attachment to body
  108     ..Flexible, adjustable or folding bridge
  109     ..Prismatic or cantilevered lens
  110     ..With sun visor (17)
  111     ..Outline of front extends onto and is contiguous with temple
             (18)
  112     ..Contiguous lenses
  113     ..Lens mounted below eye or bridge level
  114     ..Temple mounted below centerline
  115     ..Horizontal or upwardly curved surface spaning lens upper
             surfaces
  116     ..Discontinuous or partial lens support or surround (e.g.,
             "semi-rimless", etc.)
  117     ..Distinct bridge or temple pieces (e.g., "rimless" or "wire
             frame" type, etc.)
  118     ..With pierced temple or front
  119     ..With distinct surface texture or applied ornamentation
  120     ..Concavo-convex lens surround
  121     ..Lens having straight side
  122     ..Circular lens
  123     ..Element or attachment
  124     ...Contact lens handling implement
  125     ...Applique
  126     ...Bridge or nose pad component
  127     ...Temple
  128     ...Hinge component or lens fastener
  129     ...Holder
  130     OPTICAL ARTICLE NOT ELSEWHERE SPECIFIED (19)
  131     .Microscope
  132     .Telescope (20)
  133     ..Binocular
  134     .Lens or objective
  135     ..Magnifying or reducing glass
  136     ..Element or attachment
  137     .Prism