US3674347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film cartridge support assembly for projectors
Assignee: Bell and Howell Co
•
Filing: 1970-06-25
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Granted: 1972-07-04
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Expires: 1990-06-25
Abstract
Abstract A SUPPORT ASSEMBLY OPERABLE FOR SUPPORTING ANY ONE OF A PLURALITY OF FILM SUPPLY CARTRIDGES AT A PROJECTION STATION ON A MOTION PICTURE PROJECTOR. THE ASSEMBLY INCLUDES A TRAY FOR POSITIONING ONE OF THE CARTRIDGES AT THE PROJECTION STATION AND INCLUDES AN ALIGNING MEMBER SUPPORTED ON THE PROJECTOR INDEPENDENTLY OF THE TRAY FOR MOVEMENT FROM A RETRACTED POSITION TO A CARTRIDGE ENGAGING POSITION FOR ALIGNING A CARTRIDGE AT THE PROJECTION STATION.
Inventors
- 👤 Kiyoshi Iha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:52
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |