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
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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.
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