Patent US2334980A successfully refreshed from Google Patents.
US2664800A
Expired / Lapsed
US
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Photographic camera and shutter mechanism therefor
Assignee: Individual
•
Filing: 1950-09-25
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Granted: 1954-01-05
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Expires: 1970-09-25
Abstract
No abstract record available.
Inventors
- 👤 Mayo Alfred Croger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:30
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/36; G03B9/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2122671A
Cited
US2173991A
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GB478710A
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FR822401A
Cited
US2222041A
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US2275807A
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US2358061A
Cited
US2347951A
Cited
US2526432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |