Patent US2912911A successfully refreshed from Google Patents.
US2912911A
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US
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Turret attachment for photographic camera
Assignee: Elgeet Optical Co Inc
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Filing: 1955-10-19
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Granted: 1959-11-17
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Expires: 1975-10-19
Abstract
No abstract record available.
Inventors
- 👤 Miller Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:50
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR379653A
Cited
US1859207A
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US2237943A
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US2236069A
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US2324057A
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US2482571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |