US3052170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflex camera with diaphragm control
Assignee: Kamera und Kinowerke Dresden VEB
•
Filing: 1957-11-08
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Granted: 1962-09-04
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Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 Bohm Siegfried
- 👤 Winkler Friedrich
- 👤 Skolaude Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:14
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2273386A
Cited
US2356880A
Cited
US2371524A
Cited
US2504011A
Cited
US2652756A
Cited
US2730025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |