Patent US2889761A successfully refreshed from Google Patents.
US2889761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic shutter with interchangeable lens
Assignee: Individual
•
Filing: 1955-05-31
•
Granted: 1959-06-09
•
Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Gebele Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:26
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1623998A
Cited
US1422460A
Cited
FR854199A
Cited
US2328157A
Cited
US2384615A
Cited
US2590161A
Cited
US2596328A
Cited
FR1028877A
Cited
US2649024A
Cited
US2716930A
Cited
FR1090214A
Cited
FR1091432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |