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US3501607A Expired / Lapsed US ⏱️ 0.0 years remaining

Two-contact leaf spring with fulcrum portion in a double-pole,double-throw switch

Assignee: Motors Liquidation Co
•
Filing: 1968-05-21
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Granted: 1970-03-17
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Expires: 1988-05-21
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Abstract

No abstract record available.

Inventors

  • 👤 Akira Tanaka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:37
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2630504A Cited
US2815501A Cited
FR1274177A Cited
US3359515A Cited
US3433908A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-03-16 1973-09-15 1974-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-16 1977-09-15 1978-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-16 1981-09-15 1982-03-17 $7700.00 Window Closed / Lapsed

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