Class 353: OPTICS: IMAGE PROJECTORS ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

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

Class
353
OPTICS: IMAGE PROJECTORS

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Subclass		Title
ClassTitle		===> OPTICS: IMAGE PROJECTORS

1		KALEIDOSCOPIC
2		. Including particles loosely housed for agitation
3		HELIOSTATS
4		ASCENDING HEATED AIR CHANGES PICTURES
5		MAPPING OR AERIAL PHOTOGRAPH RECTIFYING
6		. Stereoscopic
7		STEREOSCOPIC
8		. Polarizer
9		. Slide transfer mechanism
10		RELIEF ILLUSION
11		TARGET, MAP OR NAVIGATION PROJECTION
12		. With or for vehicle
13		WITH OR FOR VEHICLE
14		. Instrument indicator
15		WITH SOUND ACCOMPANIMENT
16		. Phonograph
17		. . In carrying case
18		. . Cabinet encloses projector and one side of screen
19		. Common picture and sound record carrier system
20		POLARIZER OR INTERFERENCE FILTER
21		EDITING OR AUXILIARY VIEWING
22		TRANSPARENT PLATE
23		. Plate part of film gate
24		. . Including lens support
25		SELECTIVE DATA RETRIEVAL
26R		. Film strip
26A		. . Automatic
27R		. Plural picture rows on single microcard
27A		. . Automatic
28		PROJECTED IMAGE COMBINED WITH REAL OBJECT
29		ADDITIONAL ILLUMINATION OF OR NEAR PROJECTED IMAGE
30		COMPOSITE PROJECTED IMAGE
31		. Multicolor picture
32		. . Lenticular film
33		. . Prism
34		. Plural projection paths with single light source
35		. Slides and/or film superposed in projector
36		. Letters or numbers
37		. Reflector between lamp and screen
38		UNITARY PLURAL REFRACTING SURFACES
39		MICROPROJECTOR
40		SCALE OR SCALE INDICATOR PROJECTOR
41		. Vernier or plural scales
42		POINTER
43		GUN, FLASHLIGHT OR BATTERY OPERATED TYPE
44		SIMULTANEOUS PROJECTION AND MANUAL DELINEATION
45		. Score register
46		IMAGE MOVES ON SCREEN
47		. Cabinet enclosed projector and one side of screen
48		. Plural projectors or projection paths
49		. . Single light source
50		. Reflector between lamp and screen
51		. . Plural
52		TEMPERATURE CONTROL
53		. Means to preheat slides or film
54		. Liquid coolant
55		. Heat filter
56		. Heat resistant or insulating material
57		. Blower
58		. . Plural
59		. . Common motor for blower and slide changer
60		. . Air directed against face or back of object
61		. . Particular air ducts or deflector
62		STENCIL OR PERFORATED PLATE PROJECTOR (E.G., SKY OR CLOUD PROJECTOR)
63		EPIDIASCOPE (I.E., SELECTIVE OPAQUE AND TRANSPARENCY PROJECTOR)
64		. Plural reflectors between lamp and screen
65		EPISCOPE (I.E., OPAQUE PROJECTOR)
66		. Reflector between lamp and screen
67		. . Cabinet encloses projector and one side of screen
68		SELECTIVE SLIDE AND FILM STRIP PROJECTOR
69		DISTORTION COMPENSATION
70		. For projection axis inclined to screen
71		SELECTIVE PROJECTION ON DISTANT OR CABINET SCREEN
72		PROJECTOR OR SCREEN REMOVABLE FROM COMMON HOUSING
73		. Plural reflectors between lamp and screen
74		CABINET ENCLOSES PROJECTOR AND ONE SIDE OF SCREEN
75		. Light shield, mask, hood, or diaphragm
76		. Focus or variable magnification
77		. Reflector between lamp and screen
78		. . Plural
79		STRUCTURALLY RELATED PROJECTOR AND SCREEN
80		. Profile or silhouette
81		PRISM IN LIGHT PATH
82		PLURAL PROJECTION PATHS WITH SINGLE LIGHT SOURCE
83		. Dissolve type
84		COLOR FILTER
85		LAMP CONTROL
86		. Dissolve type
87		. Lamp position adjustable
88		SHUTTER
89		. Plural projection paths
90		. . Dissolve type
91		. Solenoid operated
92		. Slides reciprocated horizontally from magazine
93		. Dissolve type
94		PLURAL
95		FILM GATE
96		. And lens support
97		LIGHT SHIELD, MASK, HOOD, OR DIAPHRAGM
98		REFLECTOR
99		. Plural
100		LENS SUPPORT
101		. Lens position adjustable
102		PARTICULAR CONDENSER
103		SLIDE TRANSFER MECHANISM
104		. For slides of various dimensions
105		. Magnetically operated
106		. . Solenoid
107		. . . Rotary slide carrier
108		. Slides fixed to movable carrier
109		. . Endless chain or belt
110		. . Disc
111		. Gravity operated
112		. . Feeder magazine and receptacle
113		. Feeder magazine and receiver magazine
114		. Slides reciprocated horizontally
115		. . Slides elevated
116		. . From magazine
117		. . . Rotary magazine
118		. Slides gripped or hooked
119		HOUSING
120		PICTURE CARRIER
121		METHODS
122		MISCELLANEOUS
		******************************
		DIGESTS
		******************************
DIG 1		Slides stacked with surface to surface contact
DIG 2		Film strip
DIG 3		Transparent
DIG 4		Opaque
DIG 5		Transparency holder accessories
DIG 6		Head accessories

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Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

Last Modified: 6 October 2000

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

Class 353 OPTICS: IMAGE PROJECTORS

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

Class
353
OPTICS: IMAGE PROJECTORS