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US3104297A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit breaker with auxiliary switch

Assignee: General Electric Co
•
Filing: 1960-10-10
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Granted: 1963-09-17
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Expires: 1980-10-10
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Abstract

No abstract record available.

Inventors

  • 👤 Powell David Barton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:13
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40; H01H71/46

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 198 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING A CASING OF INSULATING MATERIAL, AT LEAST ONE RELATIVELY STATIONARY CONTACT SUPPORTED IN SAID INSULATING CASING, AT LEAST ONE RELATIVELY MOVABLE CONTACT SUPPORTED IN SAID INSULATING CASING, OPERATING MEANS FOR OPERATING SAID RELATIVELY MOVABLE CONTACT BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS, SAID OPERATING MEANS INCLUDING RELEASABLE MEANS FOR AUTOMATIC OPENING OF SAID CONTACT IN RESPONSE TO THE OCCURRENCE OF PREDETERMINED CURRENT CONDITIONS THROUGH SAID CIRCUIT BREAKER, SAID OPERATING MEANS FURTHER INCLUDING MANUALLY OPERABLE MEANS HAVING AN INSULATING PORTION PROJECTING OUT OF SAID CASING, SAID MANUALLY OPERABLE MEANS BEING MOVABLE BETWEEN AN "OFF" POSITION IN WHICH SAID MOVABLE CONTACT IS OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT AND AN "ON" POSITION IN WHICH SAID MOVABLE CONTACT IS IN ENGAGEMENT WITH SAID STATIONARY CONTACT, SAID MANUALLY OPERABLE MEANS BEING MOVABLE BY SAID OPERATING MEANS TO A "TRIPPED" POSITION DIFFERENT FROM SAID "OFF" AND SAID "ON" POSITIONS ON THE OCCURENCE OF AUTOMATIC MOVEMENT OF SAID MOVABLE CONTACT, AN AUXILIARY SWITCH WITHIN SAID CASING OF INSULATING MATERIAL INCLUDING AN ACTUATING MEMBER, SAID MANUALLY OPERABLE MEANS INCLUDING MEANS COOPERABLE WITH SAID AUXILIARY SWITCH TO ACTUATE SAID AUXILIARY SWITCH WHEN SAID MANUALLY OPERABLE MEANS MOVES TO SAID "TRIPPED" POSITION.
Claim 2
Dependent Claim 198 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING A CASING OF INSULATING MATERIAL, AT LEAST ONE RELATIVELY STATIONARY CONTACT SUPPORTED IN SAID INSULATING CASING, AT LEAST ONE RELATIVELY MOVABLE CONTACT SUPPORTED IN SAID INSULATING CASING, OPERATING MEANS FOR OPERATING SAID RELATIVELY MOVABLE CONTACT BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS, SAID OPERATING MEANS INCLUDING RELEASABLE MEANS FOR AUTOMATIC OPENING OF SAID CONTACT IN RESPONSE TO THE OCCURRENCE OF PREDETERMINED CURRENT CONDITIONS THROUGH SAID CIRCUIT BREAKER, SAID OPERATING MEANS FURTHER INCLUDING MANUALLY OPERABLE MEANS HAVING AN INSULATING PORTION PROJECTING OUT OF SAID CASING, SAID MANUALLY OPERABLE MEANS BEING MOVABLE BETWEEN AN "OFF" POSITION IN WHICH SAID MOVABLE CONTACT IS OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT AND AN "ON" POSITION IN WHICH SAID MOVABLE CONTACT IS IN ENGAGEMENT WITH SAID STATIONARY CONTACT, SAID MANUALLY OPERABLE MEANS BEING MOVABLE BY SAID OPERATING MEANS TO A "TRIPPED" POSITION DIFFERENT FROM SAID "OFF" AND SAID "ON" POSITIONS ON THE OCCURENCE OF AUTOMATIC MOVEMENT OF SAID MOVABLE CONTACT, AN AUXILIARY SWITCH WITHIN SAID CASING OF INSULATING MATERIAL INCLUDING AN ACTUATING MEMBER, SAID MANUALLY OPERABLE MEANS INCLUDING MEANS COOPERABLE WITH SAID AUXILIARY SWITCH TO ACTUATE SAID AUXILIARY SWITCH WHEN SAID MANUALLY OPERABLE MEANS MOVES TO SAID "TRIPPED" POSITION.

References Cited (Backward Citations)

US2656439A Cited
US2686242A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-16 1967-03-18 1967-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-16 1971-03-18 1971-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-16 1975-03-18 1975-09-17 $7700.00 Window Closed / Lapsed

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