Patent US3588449A successfully refreshed from Google Patents.
US2767278A
Expired / Lapsed
US
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Magnetic lock switch for starter and ignition circuits
Assignee: Individual
•
Filing: 1951-06-29
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Granted: 1956-10-16
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Collins Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:04
CPC Classifications
H; H01; H01H; H01H27/00; H01H27/06; H01H21/00; H01H21/02; H01H21/04; H01H21/06; H01H36/00; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7057; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US275181A
Cited
US1534753A
Cited
US1606164A
Cited
US1529470A
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US1834934A
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GB346859A
Cited
US2121301A
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GB559453A
Cited
US2393428A
Cited
US2566017A
Cited
US2595769A
Cited
US2573920A
Cited
US2624792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |