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US3002073A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric circuit interruption device and method

Assignee: General Electric Co
•
Filing: 1958-04-16
•
Granted: 1961-09-26
•
Expires: 1978-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 James D Cobine

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 13:48
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/02; H01H73/18; H01H33/00; H01H33/70; H01H33/88; H01H33/90; H01H33/92

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1820928A Cited
GB319019A Cited
DE723076C Cited
US2061945A Cited
DE638145C Cited
DE679327C Cited
US2109685A Cited
GB477231A Cited
US2279040A Cited
US2310093A Cited
US2391826A Cited
US2533545A Cited
US2517136A Cited
DE960111C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-25 1965-03-27 1965-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-25 1969-03-27 1969-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-25 1973-03-27 1973-09-26 $7700.00 Window Closed / Lapsed

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