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US2485394A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit closer

Assignee: General Electric Co
•
Filing: 1945-03-17
•
Granted: 1949-10-18
•
Expires: 1965-03-17
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Abstract

No abstract record available.

Inventors

  • 👤 James T Logan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 14:35
CPC Classifications
H; H01; H01H; H01H39/00; H01H39/002; H01H75/00; H01H75/02; H01H75/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US723183A Cited
US2011144A Cited
US1964155A Cited
US2078784A Cited
US2270353A Cited
US2310755A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-10-17 1953-04-18 1953-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-10-17 1957-04-18 1957-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-10-17 1961-04-18 1961-10-18 $7700.00 Window Closed / Lapsed

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