Patent US2837017A successfully refreshed from Google Patents.
US2837017A
Expired / Lapsed
US
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Pneumatic release for camera shutters
Assignee: Individual
•
Filing: 1953-02-02
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Granted: 1958-06-03
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Expires: 1973-02-02
Abstract
No abstract record available.
Inventors
- 👤 Clinton W Hough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:25
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US250214A
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US341887A
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US2298586A
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US765980A
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US1102278A
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US2202138A
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US2333776A
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US2615379A
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US2650501A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |