Patent US2654299A successfully refreshed from Google Patents.
US2654299A
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US
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Photoflash synchronizing mechanism
Assignee: SAWYER S Inc
•
Filing: 1950-07-14
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Granted: 1953-10-06
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Expires: 1970-07-14
Abstract
No abstract record available.
Inventors
- 👤 Gordon N Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:28
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2049735A
Cited
US2218494A
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US2256354A
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US2358941A
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US2362863A
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US2511201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |