US2773438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with interconnected shutter mechanism and film winding mechanism
Assignee: Rollei Werke Franke und Heidecke GmbH and Co KG
•
Filing: 1953-01-30
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Granted: 1956-12-11
•
Expires: 1973-01-30
Abstract
No abstract record available.
Inventors
- 👤 Bretthauer Hermann
- 👤 Bethmann Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308934A
Cited
US2168974A
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US2406366A
Cited
US2548549A
Cited
US2539764A
Cited
US2541289A
Cited
US2663234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |