Manual of U.S. Patent Classification
as of June 30, 2000

Class
D16
PHOTOGRAPHY AND OPTICAL EQUIPMENT

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

Patents classified in a subclass may be accessed by clicking on the " " icon following the subclass number, below.

( please note that links to definitions and classified patents may not be available for some classes and subclasses )

For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> PHOTOGRAPHY AND OPTICAL EQUIPMENT
		EXCLUDED FROM THIS CLASS ARE:
		Blinder type sun visor or shade; see D29 -109+.
		Camera or photographic equipment case; see D3-267+.
		Cassette for photographic film or magnetic tape; see D14-474+.
		Computer or data processing equipment; see D14-300+.
		Contact lens case; see D3-264.
		Disguise or face mask; see D21-660+.
		Eyeglass case; see D3-265.
		Eyeshade; see D29-109+.
		Eye shield for attachment to helmet; see D29-110.
		Eyewear including provision to occlude or filter air (e.g., diving mask); see D24-110.2+.
		Face mask protective type; see D29-108+.
		Grinder for lens; see D15-124+.
		Holder for eyeglasses; see D3-266.
		Intraocular lens; see D24-157.
		Kaleidoscope; see D21-403.
		Lamp, floodlight or spotlight for photography (non camera attached); see D26-24+.
		Measuring or testing instrument embodying optical device (other than camera range finder); see D10-46+.
		Optical medical instrument; see D24-137, 150 and 172.
		Photolithographic printing equipment; see D18-50+.
		Reel for film or magnetic tape; see D14-484.
		Transit or optical surveyor' instrument; see D10-61+.
		Vehicle visor-attached case for eyeglasses; see D12-417.
		Video image printer or copier; see D18-36.
		Vision inhibitor; see D29-109.
		X-ray equipment; see D24-158.
200		CAMERA OR BODY THEREFOR (1)
201		. Simulative
202		. Video type (21)
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 opaque 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 drum
250		. . Element or accessory
100		OPTHALMIC ARTICLE (14)
101		. Lens (15)
300		. Eyeglasses, eyewear, or frame therefor
301		. . Opaque or perforated mask (i.e., sleep mask, louvered shield) (14)
302		. . Monocle or lorgnette
303		. . Folding, flexible, or adjustable bridge
304		. . Adjustable lens or provision therefor (15)
305		. . Makeup or prism type
306		. . Simulative or novelty type
307		. . . Animate
308		. . . Plant life
309		. . Combined with diverse article (16)
310		. . . Visor (17)
311		. . Provision for flexible attachment to head (i.e., attaching means encircles head)
312		. . . Contiguous lens
313		. . Contiguous lens
314		. . . Rimless or semi-rimless
315		. . Rimless or semi-rimless
316		. . . Screw-pierced lens
317		. . Circular lens only
318		. . Temple mounts below eye level
319		. . Including opening (e.g., pierced-type frame)
320		. . . Bridge
321		. . . Temple
322		. . Adjustable nose cushion or pad
323		. . Including applied ornament or texture
324		. . . Texture
325		. . Upper frame edge and bridge merge in substantially flat, even contour only
326		. . Upper frame edge and bridge merge in sinuous curve only
327		. . District bridge
328		. . . Top edge of bridge arcs upwardly
329		. . . District depression or notch at bridge contour
330		. Element or attachment (18)
331		. . Contact lens implement
332		. . Bridge or nose pad
333		. . . Nose pad
334		. . Lens mounting or hinge
335		. . Temple (i.e., ear stem)
336		. . . Combined with diverse article
337		. . . Side guard
338		. . . Tip or end piece
339		. . Retainer or strap (19)
340		. . Visor or shade (20)
341		. . Applied ornament
342		. . . Simulative
130		OPTICAL ARTICLE NOT ELSEWHERE SPECIFIED (23)
131		. Microscope
132		. Telescope (22)
133		. . Binocular
134		. Lens or objective
135		. . Magnifying or reducing glass
136		. . Element or attachment
137		. Prism
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		CROSS-REFERENCE ART COLLECTION
		******************************
900		CLIP-ON-TYPE EYEWEAR
		SEARCH NOTES FOR CLASS D16
		(1) For dedicated photocopy equipment camera, see D18-40.
		(2) Exclusive or viewfinder objective.
		(3) For attachment, e.g., tripod, handgrip, flash unit, etc., see subclasses 237+. For film or film strip, see subclasses 237+. For lens, see subclasses 134+. For reel, cassette, etc., see see D14-483+.
		(4) For transparency mount per se, see D14-482.
		(5) For meter that is coupled to camera, see subclass 219.
		(6) Includes photo processing or printing machine.
		(7) For lens, see subclass 134.
		(14) For costume or novelty-type mask, see D21-660.
		(15) Includes flip-up lens type and multiple lens type.
		(16) Excludes head strap, temple guard, shield, and extender.
		(17) For visor attachment, per se, see D16-340. For visor attached to protective headgear, see D29-104. For visor combined with headgear or hat, see D2-865+.
		(18) For eyeglass or contact lens container or holder, see D3-264+.
		(19) Includes mask strap.
		(20) For vision inhibitor, see D29-109. For visor combined with eyewear, see D16-310.
		(21) Includes magnetic disc still camera.
		(22) For telescope combined with firearm, see D22-101.
		(23) Element included. Classified by FULL LINE DISCLOSURE.

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Last Modified: 6 October 2000