US3536388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-picture projector gate system for accommodating multiple film formats
Assignee: Eastman Kodak Co
•
Filing: 1967-12-26
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Granted: 1970-10-27
•
Expires: 1987-12-26
Abstract
No abstract record available.
Inventors
- 👤 Gerald F Pickens
- 👤 Thomas G Kirn
- 👤 Henry C Hopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:07
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/42; G03B1/48; G03B1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3427101A
Cited
US3449044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |