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US2301688A Expired / Lapsed US ⏱️ 0.0 years remaining

Control system

Assignee: General Electric Co
•
Filing: 1941-09-06
•
Granted: 1942-11-10
•
Expires: 1961-09-06
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Abstract

No abstract record available.

Inventors

  • 👤 Martin A Edwards

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:27
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1945-11-09 1946-05-11 1946-11-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-11-09 1950-05-11 1950-11-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-11-09 1954-05-11 1954-11-10 $7700.00 Window Closed / Lapsed

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