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US2767278A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic lock switch for starter and ignition circuits

Assignee: Individual
•
Filing: 1951-06-29
•
Granted: 1956-10-16
•
Expires: 1971-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Collins Douglas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:18
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 Cited
US1834934A Cited
GB346859A Cited
US2121301A Cited
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

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