| Class Number |
Class Name |
No. of Patents |
| 353/29 |
Additional illumination of or near projected image |
30 |
| 353/4 |
Ascending heated air changes pictures |
0 |
| 353/74 |
Cabinet encloses projector and one side of screen |
156 |
| 353/76 |
Focus or variable magnification |
39 |
| 353/75 |
Light shield, mask, hood, or diaphragm |
35 |
| 353/77 |
Reflector between lamp and screen |
146 |
| 353/78 |
Plural |
129 |
| 353/84 |
Color filter |
393 |
| 353/30 |
Composite projected image |
384 |
| 353/36 |
Letters or numbers |
5 |
| 353/31 |
Multicolor picture |
1015 |
| 353/32 |
Lenticular film |
26 |
| 353/33 |
Prism |
339 |
| 353/34 |
Plural projection paths with single light source |
370 |
| 353/37 |
Reflector between lamp and screen |
359 |
| 353/35 |
Slides and/or film superposed in projector |
23 |
| 353/69 |
Distortion compensation |
337 |
| 353/70 |
For projection axis inclined to screen |
215 |
| 353/21 |
Editing or auxiliary viewing |
10 |
| 353/63 |
Epidiascope (i.e., selective opaque and transparency projector) |
31 |
| 353/64 |
Plural reflectors between lamp and screen |
13 |
| 353/65 |
Episcope (i.e., opaque projector) |
20 |
| 353/66 |
Reflector between lamp and screen |
40 |
| 353/67 |
Cabinet encloses projector and one side of screen |
10 |
| 353/95 |
Film gate |
64 |
| 353/96 |
And lens support |
13 |
| 353/DIG.2 |
Film strip |
32 |
| 353/43 |
Gun, flashlight or battery operated type |
29 |
| 353/DIG.6 |
Head accessories |
13 |
| 353/3 |
Heliostats |
91 |
| 353/119 |
Housing |
607 |
| 353/46 |
Image moves on screen |
43 |
| 353/47 |
Cabinet enclosed projector and one side of screen |
10 |
| 353/48 |
Plural projectors or projection paths |
24 |
| 353/49 |
Single light source |
15 |
| 353/50 |
Reflector between lamp and screen |
33 |
| 353/51 |
Plural |
16 |
| 353/1 |
Kaleidoscopic |
27 |
| 353/2 |
Including particles loosely housed for agitation |
18 |
| 353/85 |
Lamp control |
199 |
| 353/86 |
Dissolve type |
18 |
| 353/87 |
Lamp position adjustable |
64 |
| 353/100 |
Lens support |
83 |
| 353/101 |
Lens position adjustable |
349 |
| 353/97 |
Light shield, mask, hood, or diaphragm |
244 |
| 353/5 |
Mapping or aerial photograph rectifying |
6 |
| 353/6 |
Stereoscopic |
9 |
| 353/121 |
Methods |
280 |
| 353/39 |
Microprojector |
22 |
| 353/122 |
Miscellaneous |
818 |
| 353/DIG.4 |
Opaque |
30 |
| 353/102 |
Particular condenser |
259 |
| 353/120 |
Picture carrier |
160 |
| 353/82 |
Plural projection paths with single light source |
97 |
| 353/83 |
Dissolve type |
2 |
| 353/94 |
Plural |
448 |
| 353/42 |
Pointer |
79 |
| 353/20 |
Polarizer or interference filter |
687 |
| 353/81 |
Prism in light path |
327 |
| 353/28 |
Projected image combined with real object |
203 |
| 353/72 |
Projector or screen removable from common housing |
39 |
| 353/73 |
Plural reflectors between lamp and screen |
11 |
| 353/98 |
Reflector |
380 |
| 353/99 |
Plural |
414 |
| 353/10 |
Relief illusion |
124 |
| 353/40 |
Scale or scale indicator projector |
9 |
| 353/41 |
Vernier or plural scales |
3 |
| 353/25 |
Selective data retrieval |
106 |
| 353/26R |
Film strip |
74 |
| 353/26A |
Automatic |
100 |
| 353/27R |
Plural picture rows on single microcard |
126 |
| 353/27A |
Automatic |
52 |
| 353/71 |
Selective projection on distant or cabinet screen |
47 |
| 353/68 |
Selective slide and film strip projector |
9 |
| 353/88 |
Shutter |
59 |
| 353/93 |
Dissolve type |
7 |
| 353/89 |
Plural projection paths |
16 |
| 353/90 |
Dissolve type |
6 |
| 353/92 |
Slides reciprocated horizontally from magazine |
4 |
| 353/91 |
Solenoid operated |
1 |
| 353/44 |
Simultaneous projection and manual delineation |
19 |
| 353/45 |
Score register |
3 |
| 353/103 |
Slide transfer mechanism |
70 |
| 353/113 |
Feeder magazine and receiver magazine |
16 |
| 353/104 |
For slides of various dimensions |
12 |
| 353/111 |
Gravity operated |
16 |
| 353/112 |
Feeder magazine and receptacle |
13 |
| 353/105 |
Magnetically operated |
1 |
| 353/106 |
Solenoid |
1 |
| 353/107 |
Rotary slide carrier |
5 |
| 353/108 |
Slides fixed to movable carrier |
22 |
| 353/110 |
Disc |
23 |
| 353/109 |
Endless chain or belt |
23 |
| 353/118 |
Slides gripped or hooked |
22 |
| 353/114 |
Slides reciprocated horizontally |
14 |
| 353/116 |
From magazine |
27 |
| 353/117 |
Rotary magazine |
31 |
| 353/115 |
Slides elevated |
2 |
| 353/DIG.1 |
Slides stacked with surface to surface contact |
19 |
| 353/62 |
Stencil or perforated plate projector (e.g., sky or cloud projector) |
35 |
| 353/7 |
Stereoscopic |
204 |
| 353/8 |
Polarizer |
63 |
| 353/9 |
Slide transfer mechanism |
7 |
| 353/79 |
Structurally related projector and screen |
168 |
| 353/80 |
Profile or silhouette |
10 |
| 353/11 |
Target, map or navigation projection |
28 |
| 353/12 |
With or for vehicle |
32 |
| 353/52 |
Temperature control |
150 |
| 353/57 |
Blower |
164 |
| 353/60 |
Air directed against face or back of object |
122 |
| 353/59 |
Common motor for blower and slide changer |
2 |
| 353/61 |
Particular air ducts or deflector |
195 |
| 353/58 |
Plural |
60 |
| 353/55 |
Heat filter |
26 |
| 353/56 |
Heat resistant or insulating material |
26 |
| 353/54 |
Liquid coolant |
49 |
| 353/53 |
Means to preheat slides or film |
6 |
| 353/DIG.5 |
Transparency holder accessories |
82 |
| 353/22 |
Transparent plate |
20 |
| 353/23 |
Plate part of film gate |
23 |
| 353/24 |
Including lens support |
6 |
| 353/DIG.3 |
Transparent |
89 |
| 353/38 |
Unitary plural refracting surfaces |
285 |
| 353/13 |
With or for vehicle |
75 |
| 353/14 |
Instrument indicator |
45 |
| 353/15 |
With sound accompaniment |
60 |
| 353/19 |
Common picture and sound record carrier system |
28 |
| 353/16 |
Phonograph |
3 |
| 353/18 |
Cabinet encloses projector and one side of screen |
6 |
| 353/17 |
In carrying case |
3 |
