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US3193644A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit breakers controlling an external alarm circuit

Assignee: Airpax Electronics Inc
•
Filing: 1961-08-25
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Granted: 1965-07-06
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Expires: 1981-08-25
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas W Coughlin
  • 👤 William H Owen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:30
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/46; H01H71/04; H01H73/00; H01H73/36; H01H73/44

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 322 words
AN ELECTRICAL CIRCUIT BREAKER COMPRISING FRAME MEANS HAVING MOUNTED THEREON PLURAL STATIONARY CONTACT MEANS, A MOVABLE CONTACT MEANS, SPRING MEANS BIASING SAID MOVABLE CONTACT MEANS IN ONE DIRECTION, MANUAL MEANS TO MOVE SAID PIVOTED CONTACT MEANS IN THE OPPOSITE DIRECTION TO ENGAGE ONE OF SAID STATIONARY CONTACTS, SAID PLURAL STATIONARY CONTACT MEANS ENGAGEABLE BY AND FORMING STOP MEANS FOR SAID MOVABLE CONTACT MEANS AT EITHER END OF ITS MOVEMENT, MEANS CONNECTING SAID STATIONARY AND MOVABLE CONTACT MEANS WITH TWO EXTERNAL CIRCUITS SAID STATIONARY AND MOVABLE CONTACT MEANS OPERATIVE TO OPEN AND CLOSE SAID TWO EXTERNAL CIRCUITS, LATCH MEANS SPRING BIASED IN ONE DIRECTION AND ENGAGEABLE WITH SAID MOVABLE CONTACT MEANS AT ONE END OF ITS MOVEMENT, MOTOR MEANS IN ONE OF SAID EXTERNAL CIRCUITS, SAID LATCH MEANS BEING RESPONSIVE TO OVERLOAD IN THE MOTOR MEANS TO RELEASE SAID MOVABLE CONTACT MEANS TO OPEN SAID ONE CIRCUIT, SAID BIASING MEANS MOVING SAID MOVABLE CONTACT MEANS WHEN RELEASED TO CLOSE THE OTHER OF SAID CIRCUITS, SAID MOTOR MEANS AND SAID MOVABLE AND PLURAL STATIONARY CONTACT MEANS AND SAID MANUAL MEANS ALL LYING IN SUBSTANTIAL AXIAL ALIGNMENT, SAID MOVABLE CONTACT B EING PIVOTALLY MOUNTED INTERMEDIATE SAID TWO STATIONARY CONTACTS, SAID MOVABLE CONTACT HAVING OPPOSITELY FACING CONTACT SURFACES THEREON, SAID MANUAL MEANS COMPRISING A SLIDABLE PLUNGER MOUNTED TO EXTEND THROUGH AND OUTWARDLY OF SAID FRAME MEANS, A SPRING OPERATIVE TO MOVE SAID PLUNGER TO EXTEND PARTIALLY OUTWARDLY OF SAID FRAME, PLUNGER GUIDING MEANS ON SAID FRAME MEANS, DOG MEANS ON SAID PLUNGER GUIDING MEANS ENGAGEABLE WITH SAID MANUAL MEANS WHEN MOVED TO ENGAGE SAID MOVABLE CONTACT TO ENGAGE SAID ONE OF SAID STATIONARY CONTACTS TO HOLD SAID PLUNGER IN ITS MANUALLY MOVED POSITION, SAID DOG BEING ACTUATED BY SAID SPRING-BIASED MOVABLE CONTACT MEANS TO RELEASE SAID MANUAL MEANS TO MOVE OUTWARDLY OF SAID FRAME MEANS TO PROVIDE A VISUAL INDICATION OF THE CONTACT SETTING OF THE CIRCUIT BREAKER RESPONSIVE TO OVERLOAD IN SAID ONE EXTERNAL CIRCUIT.
Claim 2
Dependent Claim 322 words
AN ELECTRICAL CIRCUIT BREAKER COMPRISING FRAME MEANS HAVING MOUNTED THEREON PLURAL STATIONARY CONTACT MEANS, A MOVABLE CONTACT MEANS, SPRING MEANS BIASING SAID MOVABLE CONTACT MEANS IN ONE DIRECTION, MANUAL MEANS TO MOVE SAID PIVOTED CONTACT MEANS IN THE OPPOSITE DIRECTION TO ENGAGE ONE OF SAID STATIONARY CONTACTS, SAID PLURAL STATIONARY CONTACT MEANS ENGAGEABLE BY AND FORMING STOP MEANS FOR SAID MOVABLE CONTACT MEANS AT EITHER END OF ITS MOVEMENT, MEANS CONNECTING SAID STATIONARY AND MOVABLE CONTACT MEANS WITH TWO EXTERNAL CIRCUITS SAID STATIONARY AND MOVABLE CONTACT MEANS OPERATIVE TO OPEN AND CLOSE SAID TWO EXTERNAL CIRCUITS, LATCH MEANS SPRING BIASED IN ONE DIRECTION AND ENGAGEABLE WITH SAID MOVABLE CONTACT MEANS AT ONE END OF ITS MOVEMENT, MOTOR MEANS IN ONE OF SAID EXTERNAL CIRCUITS, SAID LATCH MEANS BEING RESPONSIVE TO OVERLOAD IN THE MOTOR MEANS TO RELEASE SAID MOVABLE CONTACT MEANS TO OPEN SAID ONE CIRCUIT, SAID BIASING MEANS MOVING SAID MOVABLE CONTACT MEANS WHEN RELEASED TO CLOSE THE OTHER OF SAID CIRCUITS, SAID MOTOR MEANS AND SAID MOVABLE AND PLURAL STATIONARY CONTACT MEANS AND SAID MANUAL MEANS ALL LYING IN SUBSTANTIAL AXIAL ALIGNMENT, SAID MOVABLE CONTACT B EING PIVOTALLY MOUNTED INTERMEDIATE SAID TWO STATIONARY CONTACTS, SAID MOVABLE CONTACT HAVING OPPOSITELY FACING CONTACT SURFACES THEREON, SAID MANUAL MEANS COMPRISING A SLIDABLE PLUNGER MOUNTED TO EXTEND THROUGH AND OUTWARDLY OF SAID FRAME MEANS, A SPRING OPERATIVE TO MOVE SAID PLUNGER TO EXTEND PARTIALLY OUTWARDLY OF SAID FRAME, PLUNGER GUIDING MEANS ON SAID FRAME MEANS, DOG MEANS ON SAID PLUNGER GUIDING MEANS ENGAGEABLE WITH SAID MANUAL MEANS WHEN MOVED TO ENGAGE SAID MOVABLE CONTACT TO ENGAGE SAID ONE OF SAID STATIONARY CONTACTS TO HOLD SAID PLUNGER IN ITS MANUALLY MOVED POSITION, SAID DOG BEING ACTUATED BY SAID SPRING-BIASED MOVABLE CONTACT MEANS TO RELEASE SAID MANUAL MEANS TO MOVE OUTWARDLY OF SAID FRAME MEANS TO PROVIDE A VISUAL INDICATION OF THE CONTACT SETTING OF THE CIRCUIT BREAKER RESPONSIVE TO OVERLOAD IN SAID ONE EXTERNAL CIRCUIT.

References Cited (Backward Citations)

US1643415A Cited
US1700240A Cited
US2168580A Cited
US2331114A Cited
US2273260A Cited
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US2591336A Cited
FR1171980A Cited
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US3005890A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-05 1969-01-04 1969-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-05 1973-01-04 1973-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-05 1977-01-04 1977-07-06 $7700.00 Window Closed / Lapsed

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