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Class Information
Number: 353/96
Name: Optics: image projectors > Film gate > And lens support
Description: Subject matter in combination with means to position a lens in the projector.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6402326 |
Fixed image projecting apparatus |
Jun. 11, 2002 |
| 6227672 |
Fixed image projecting apparatus |
May. 8, 2001 |
| 5951137 |
Fixed image projecting apparatus |
Sep. 14, 1999 |
| 5331360 |
Adaptor for overhead projector |
Jul. 19, 1994 |
| 4979814 |
Viewing of developed roll of slide film |
Dec. 25, 1990 |
| 4961641 |
Slide projector with ergonomic slide selection and access |
Oct. 9, 1990 |
| 4728184 |
Foldable transparency enlarger for overhead projector |
Mar. 1, 1988 |
| 4353627 |
Over-head projector with partial projection device |
Oct. 12, 1982 |
| 4244641 |
Microfilm reader |
Jan. 13, 1981 |
| 4221473 |
Image expander for rear-screen projectors |
Sep. 9, 1980 |
| 4123699 |
Vertically scanning microfilm reader and reader printer |
Oct. 31, 1978 |
| 4094599 |
Flexible magazine slide projector with movable lens |
Jun. 13, 1978 |
| 4050799 |
Microform reader |
Sep. 27, 1977 |
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