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US2801312A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical apparatus

Assignee: Motors Liquidation Co
•
Filing: 1953-06-12
•
Granted: 1957-07-30
•
Expires: 1973-06-12
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Abstract

No abstract record available.

Inventors

  • 👤 Harry F Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:08
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US316707A Cited
DE531282C Cited
US863667A Cited
GB100732A Cited
AT76559B Cited
US2021199A Cited
US1981259A Cited
US1961058A Cited
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FR845757A Cited
US2290489A Cited
US2477120A Cited
US2491643A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-29 1961-01-28 1961-07-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-29 1965-01-28 1965-07-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-29 1969-01-28 1969-07-30 $7700.00 Window Closed / Lapsed

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