US3561853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-picture projector for automatically projecting a series of films in cassettes
Assignee: Paillard SA
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Filing: 1968-10-29
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Granted: 1971-02-09
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Expires: 1988-10-29
Abstract
Abstract A SERIES OF CAMS ENSURES THE CORRECT MOVEMENT OF A ROW OF CASSETTES IN THE PROJECTOR MAGAZINE, AND THE TIMED OPERATION OF LEVERS, FOR AUTOMATICALLY PROJECTING A FILM WHILE REWINDING THE PREVIOUSLY PROJECTED FILM ONTO ITS SPOOL IN ITS CASSETTE.
Inventors
- 👤 Louis Thevenaz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:32
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G03B21/02; G03B21/43
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |