Patent US3256407A successfully refreshed from Google Patents.
US3256407A
Expired / Lapsed
US
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Circuit breaker and accessory device combination
Assignee: General Electric Co
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Filing: 1963-10-28
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Granted: 1966-06-14
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Keith W Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:53
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/1027; H01H71/12; H01H71/46; H01H71/462; H01H83/00; H01H83/20; H01H2083/208; H01H71/1018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
258 words
A CIRCUIT BREAKER AND ACCESSORY DEVICE COMBINATION COMPRISING: (A) A CIRCUIT BREAKER HAVING A GENERALLY RECTANGULAR INSULATING HOUSING; (B) SAID CIRCUIT BREAKER INCLUDING AT LEAST ONE PAIR OF RELATIVELY MOVABLE CONTACTS AND MANUALLY OPERABLE MEANS FOR OPERATING SAID CONTACTS BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS AND AUTOMATICALLY OPERABLE MEANS FOR OPENING SAID CONTACTS IN RESPONSE TO PREDETERMINED ELECTRICAL CONDITIONS THROUGH SAID CIRCUIT BREAKER; (C) SAID CIRCUIT BREAKER INCLUDING A PIVOTALLY SUPPORTED TRIP MEMBER; (D) AN ACCESSORY DEVICE COMPRISING A GENERALLY RECTANGULAR INSULATING CASING HAVING OPPOSED TOP, BOTTOM AND END WALLS, SAID ACCESSORY DEVICE BEING MOUNTED IN SIDE-BY-SIDE RELATION TO SAID CIRCUIT BREAKER, AND HAVING ITS DIMENSIONS CONFORMING SUBSTANTIALLY TO THOSE OF SAID CIRCUIT BREAKER CASING; (E) A PIVOTALLY SUPPORTED MEMBER SUPPORTED IN SAID ACCESSORY DEVICE CASING IN A POSITION CORRESPONDING TO THE POSITION OF SAID PIVOTALLY SUPPORTED TRIP MEMBER OF SAID CIRCUIT BREAKER; (F) TIE BAR MEANS EXTENDING BETWEEN SAID PIVOTALLY SUPPORTED MEMBER OF SAID ACCESSORY DEVICE AND SAID PIVOTALLY SUPPORTED TRIP MEMBER OF SAID CIRCUIT BREAKER, WHEREBY ROTATIONAL MOVEMENT OF SAID TRIP MEMBER CAUSES CORRESPONDING MOVEMENT OF SAID ACCESSORY DEVICE MEMBER AND ROTATIONAL MOVEMENT OF SAID ACCESSORY DEVICE MEMBER CAUSES CORRESPONDING MOVEMENT OF SAID TRIP MEMBER; (G) AN ELECTRICAL CONTROL DEVICE WITHIN SAID ACCESSORY DEVICE CASING, AND MEANS OPERATIVELY CONNECTING SAID ELECTRICAL CONTROL DEVICE TO SAID PIVOTALLY SUPPORTED MEMBER WHEREBY TO ENSURE INTERDEPENDENT OPERATION OF SAID CONTROL DEVICE AND SAID CIRCUIT BREAKER, AND (H) SAID ACCESSORY DEVICE HAVING NO MANUALLY OPERABLE CONTACTS THEREIN WHICH ARE ALSO AUTOMATICALLY OPERABLE IN RESPONSE TO CURRENT CONDITIONS THROUGH SAID ACCESSORY DEVICE.
Claim 2
Dependent Claim
258 words
A CIRCUIT BREAKER AND ACCESSORY DEVICE COMBINATION COMPRISING: (A) A CIRCUIT BREAKER HAVING A GENERALLY RECTANGULAR INSULATING HOUSING; (B) SAID CIRCUIT BREAKER INCLUDING AT LEAST ONE PAIR OF RELATIVELY MOVABLE CONTACTS AND MANUALLY OPERABLE MEANS FOR OPERATING SAID CONTACTS BETWEEN OPEN AND CLOSED CIRCUIT POSITIONS AND AUTOMATICALLY OPERABLE MEANS FOR OPENING SAID CONTACTS IN RESPONSE TO PREDETERMINED ELECTRICAL CONDITIONS THROUGH SAID CIRCUIT BREAKER; (C) SAID CIRCUIT BREAKER INCLUDING A PIVOTALLY SUPPORTED TRIP MEMBER; (D) AN ACCESSORY DEVICE COMPRISING A GENERALLY RECTANGULAR INSULATING CASING HAVING OPPOSED TOP, BOTTOM AND END WALLS, SAID ACCESSORY DEVICE BEING MOUNTED IN SIDE-BY-SIDE RELATION TO SAID CIRCUIT BREAKER, AND HAVING ITS DIMENSIONS CONFORMING SUBSTANTIALLY TO THOSE OF SAID CIRCUIT BREAKER CASING; (E) A PIVOTALLY SUPPORTED MEMBER SUPPORTED IN SAID ACCESSORY DEVICE CASING IN A POSITION CORRESPONDING TO THE POSITION OF SAID PIVOTALLY SUPPORTED TRIP MEMBER OF SAID CIRCUIT BREAKER; (F) TIE BAR MEANS EXTENDING BETWEEN SAID PIVOTALLY SUPPORTED MEMBER OF SAID ACCESSORY DEVICE AND SAID PIVOTALLY SUPPORTED TRIP MEMBER OF SAID CIRCUIT BREAKER, WHEREBY ROTATIONAL MOVEMENT OF SAID TRIP MEMBER CAUSES CORRESPONDING MOVEMENT OF SAID ACCESSORY DEVICE MEMBER AND ROTATIONAL MOVEMENT OF SAID ACCESSORY DEVICE MEMBER CAUSES CORRESPONDING MOVEMENT OF SAID TRIP MEMBER; (G) AN ELECTRICAL CONTROL DEVICE WITHIN SAID ACCESSORY DEVICE CASING, AND MEANS OPERATIVELY CONNECTING SAID ELECTRICAL CONTROL DEVICE TO SAID PIVOTALLY SUPPORTED MEMBER WHEREBY TO ENSURE INTERDEPENDENT OPERATION OF SAID CONTROL DEVICE AND SAID CIRCUIT BREAKER, AND (H) SAID ACCESSORY DEVICE HAVING NO MANUALLY OPERABLE CONTACTS THEREIN WHICH ARE ALSO AUTOMATICALLY OPERABLE IN RESPONSE TO CURRENT CONDITIONS THROUGH SAID ACCESSORY DEVICE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |