US2920165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flasher switch mechanism
Assignee: Servel Inc
•
Filing: 1956-08-09
•
Granted: 1960-01-05
•
Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Emil M Dittman
- 👤 Joseph J Coleman
- 👤 Ernest F Steinhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:42
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/06; H01H61/063; H01H61/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1577981A
Cited
US1898174A
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US1960408A
Cited
US2248623A
Cited
US2336504A
Cited
US2662957A
Cited
US2694128A
Cited
US2679569A
Cited
US2763751A
Cited
US2800555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |