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US3213241A Expired / Lapsed US ⏱️ 0.0 years remaining

Insulating housing type circuit breaker

Assignee: Westinghouse Electric Corp
•
Filing: 1960-09-26
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Granted: 1965-10-19
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Expires: 1980-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Francis L Gelzheiser
  • 👤 Wesley L Baum

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 17:25
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/06; H01H71/10; H01H71/1045

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 124 words
A CIRCUIT BREAKER COMPRISING AN INSULATING HOUSING STRUCTURE; A FIRST EXTERNAL TERMINAL SUPPORTED ON SAID INSULATING HOUSING STRUCTURE; A SECOND EXTERNAL TERMINAL SUPPORTED ON SAID INSULATING HOUSING STRUCTURE IN PROXIMITY TO SAID FIRST TERMINAL; A PAIR OF COOPERABLE CONTACTS SUPPORTED WITHIN SAID HOUSING STRUCTURE; CONDUCTING MEANS CONNECTING SAID FIRST TERMINAL, SAID CONTACTS AND SAID SECOND TERMINAL IN ELECTRICAL SERIES TO ENABLE CONTROL OF AN ELECTRIC CIRCUIT WHEN SAID FIRST AND SECOND TERMINALS ARE CONNECTED IN SAID CIRCUIT; SAID CONDUCTING MEANS BEING EXTERNAL OF SAID HOUSING STRUCTURE ONLY WHERE SAID CONDUCTING MEANS IS CONNECTED TO SAID FIRST AND SECOND TERMINALS; AND TRIP MEANS SUPPORTED WITHIN SAID HOUSING STRUCTURE AND OPERABLE AUTOMATICALLY UPON THE OCCURRENCE OF CERTAIN OVERLOAD CURRENT CONDITIONS TO EFFECT OPENING OF SAID CONTACTS.

References Cited (Backward Citations)

US1774540A Cited
US2551397A Cited
US2883496A Cited
US2810048A Cited
US2822446A Cited
US2854555A Cited
US2968709A Cited
US2905795A Cited
US2937248A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-18 1969-04-19 1969-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-18 1973-04-19 1973-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-18 1977-04-19 1977-10-19 $7700.00 Window Closed / Lapsed

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