US3675992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projector for use with cassettes for motion picture film
Assignee: Agfa Gevaert AG
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Filing: 1970-11-25
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Granted: 1972-07-11
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Expires: 1990-11-25
Abstract
Abstract THE TOP WALL OF THE HOUSING IN THE MOTION PICTURE PROJECTOR IS FORMED WITH AN INWARDLY EXTENDING CHAMBER FOR RECEPTION OF SMALL, MEDIUM-SIZED OR LARGE CASSETTES FOR CONVOLUTED MOTION PICTURE FILM. THE CASSETTES ARE PROVIDED WITH EXTERNAL LOCATING MEANS WHICH FACILITATE STACKING OF CASSETTES DURING STORAGE OR IN TRANSPORT. A PLATELIKE DETENT MEMBER IS MOUNTED IN THE HOUSING ADJACENT TO ONE SIDE OF THE CHAMBER AND IS BIASED AGAINST A CASSETTE IN THE CHAMBER. THE DETENT MEMBER HAS RETAINING MEANS WHICH CAN ENGAGE WITH THE LOCATING MEANS OF THE INSERTED CASSETTE.
Inventors
- 👤 Alfred Winkler
- 👤 Herbert Wilsch
- 👤 Friedrich Winkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:48
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |