US2644899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flasher
Assignee: PERRY FLASHER SYNDICATE
•
Filing: 1949-07-29
•
Granted: 1953-07-07
•
Expires: 1969-07-29
Abstract
No abstract record available.
Inventors
- 👤 Robert S Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:59
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/06; H01H61/066; G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; G08B5/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2388712A
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US2256499A
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US2291895A
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US2368679A
Cited
US2354635A
Cited
US2367014A
Cited
US2458518A
Cited
US2419072A
Cited
US2525044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |