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US3714383A Expired / Lapsed US ⏱️ 0.0 years remaining

Key operated electric circuit breaker

Assignee: Schneider Electric USA Inc
•
Filing: 1971-10-27
•
Granted: 1973-01-30
•
Expires: 1991-10-27
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Abstract

Abstract A MOVABLE CONTACT ARM OF THE CIRCUIT BREAKER IS ARRANGED TO BE MOVED SELECTIVELY TO ON AND OFF POSITIONS BY A KEY OR TOOL WHICH ROTATES AN ACTUATING MEMBER HAVING AN ECCENTRIC PIN WHICH ACTUATES A DRIVING MEMBER FOR THE CONTACT ARM.

Inventors

  • 👤 J Leonard
  • 👤 R Quick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 00:17
CPC Classifications
H; H01; H01H; H01H27/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-01-30 1976-07-31 1977-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-30 1980-07-31 1981-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-30 1984-07-31 1985-01-30 $7700.00 Window Closed / Lapsed

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