US2953076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic objective lens shutter
Assignee: Kamera und Kinowerke Dresden VEB
•
Filing: 1957-02-08
•
Granted: 1960-09-20
•
Expires: 1977-02-08
Abstract
No abstract record available.
Inventors
- 👤 Leuschke Siegfried
- 👤 Noack Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:52
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1274262A
Cited
US2504393A
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US2580975A
Cited
US2677851A
Cited
US2691331A
Cited
US2882548A
Cited
US2893720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |