US2782702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic shutter
Assignee: Fairchild Semiconductor Corp
•
Filing: 1950-01-31
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Granted: 1957-02-26
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Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Willcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:14
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/10; G03B9/18; G03B9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848926A
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US1483465A
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US1377366A
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US1861257A
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US2002109A
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US2198729A
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US2105228A
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US2117971A
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US2183802A
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US2359116A
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US2463206A
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US2441675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |