US3260825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker with ambient compensating means
Assignee: General Electric Co
•
Filing: 1964-02-10
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Granted: 1966-07-12
•
Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Henry E S Owen
- 👤 Keith W Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:27
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) AN INSULATING CASING; (B) AT LEAST ONE PAIR OF RELATIVELY MOVABLE CONTACTS IN SAID INSULATING CASING; (C) OPERATING MECHANISM IN SAID CASING FOR SAID RELATIVELY MOVABLE CONTACTS COMPRISING A TRIP MEMBER RELEASABLE TO CAUSE ATUOMATIC OPENING OF SAID CONTACTS; (D) A CURRENT RESPONSIVE ELEMENT COMPRISING AN ELONGATED STRIP OF BIMETALLIC MATERIAL RIDIGLY MOUNTED AT ONE END THEREOF IN SAID INSULATING CASING; (E) SAID BIMETALLIC STRIP HAVING A FIRST, SUBSTANTIALLY STRAIGHT, PORTION ADJACENT SAID RIGIDLY MOUNTED END; (F) SAID BIMETALLIC STRIP HAVING A SECOND, GENERALLY USHAPED, PORTION REMOTE FROM SAID RIGIDLY MOUNTED END, SAID U-SHAPED PORTION INCLUDING A FIRST SECTION EXTENDING SUBSTANTIALLY STRAIGHT-LINE ALIGNMENT WITH SAID FIRST PORTION AND A SECOND SECTION EXTENDING IN PARALLEL SPACED RELATION TO SAID FIRST SECTION; (G) MEANS FOR HEATING SAID FIRST PORTION ONLY OF SAID BIMETALLIC STRIP IN ACCORDANCE WITH SAID CURRENT PASSING THROUGH SAID CONTACTS; (H) TRIPPING MEANS CARRIED BY SAID SECOND SECTION OF
Claim 2
Dependent Claim
156 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) AN INSULATING CASING; (B) AT LEAST ONE PAIR OF RELATIVELY MOVABLE CONTACTS IN SAID INSULATING CASING; (C) OPERATING MECHANISM IN SAID CASING FOR SAID RELATIVELY MOVABLE CONTACTS COMPRISING A TRIP MEMBER RELEASABLE TO CAUSE ATUOMATIC OPENING OF SAID CONTACTS; (D) A CURRENT RESPONSIVE ELEMENT COMPRISING AN ELONGATED STRIP OF BIMETALLIC MATERIAL RIDIGLY MOUNTED AT ONE END THEREOF IN SAID INSULATING CASING; (E) SAID BIMETALLIC STRIP HAVING A FIRST, SUBSTANTIALLY STRAIGHT, PORTION ADJACENT SAID RIGIDLY MOUNTED END; (F) SAID BIMETALLIC STRIP HAVING A SECOND, GENERALLY USHAPED, PORTION REMOTE FROM SAID RIGIDLY MOUNTED END, SAID U-SHAPED PORTION INCLUDING A FIRST SECTION EXTENDING SUBSTANTIALLY STRAIGHT-LINE ALIGNMENT WITH SAID FIRST PORTION AND A SECOND SECTION EXTENDING IN PARALLEL SPACED RELATION TO SAID FIRST SECTION; (G) MEANS FOR HEATING SAID FIRST PORTION ONLY OF SAID BIMETALLIC STRIP IN ACCORDANCE WITH SAID CURRENT PASSING THROUGH SAID CONTACTS; (H) TRIPPING MEANS CARRIED BY SAID SECOND SECTION OF
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |