US3109907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tripping mechanism for electric circuit breaker
Assignee: Schneider Electric USA Inc
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Filing: 1960-10-14
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Granted: 1963-11-05
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Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Edward P Dessert
- 👤 Robert E Dietz
- 👤 David A Pickett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:05
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/02; H01H71/0264; H01H71/0271; H01H71/08; H01H71/10; H01H71/12; H01H71/40; H01H71/405; H01H9/00; H01H9/30; H01H9/34; H01H9/342; H01H1/00; H01H1/58; H01H1/5844; H01H71/50; H01H71/52; H01H71/522; H01H71/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A TRIPPING MECHANISM FOR CONTROLLING AN OPERATING MECHANISM OF AN AUTOMATIC ELECTRIC CIRCUIT BREAKER, SAID TRIPPING MECHANISM COMPRISING A BIMETALLIC STRIP HAVING A FIXED END PORTION AND A FREE END PORTION, AN ELONGATED MAGNETIC YOKE SECURED TO AND DISPOSED ALONG THE BIMETALLIC STRIP BETWEEN SAID END PORTIONS THEREOF AND MAGNETIZABLE UPON FLOW OF CURRENT THROUGH THE BIMETALLIC STRIP, SAID YOKE HAVING A PAIR OF SPACED BEARING SURFACES DISPOSED ON THE END PORTION THEREOF ADJACENT SAID FIXED END PORTION OF SAID BIMETALLIC STRIP AND FACING TOWARD SAID FREE END PORTION OF THE BIMETALLIC STRIP, AN ELONGATED ARMATURE EXTENDING ALONG SAID YOKE AND PIVOTALLY SUPPORTED AT ONE END PORTION ON SAID BEARING SURFACES OF SAID YOKE, THE OTHER END PORTION OF SAID ARMATURE INCLUDING A LATCH PORTION ADAPTED TO RESTRAIN A RELEASABLE MEMBER OF
Claim 2
Dependent Claim
132 words
A TRIPPING MECHANISM FOR CONTROLLING AN OPERATING MECHANISM OF AN AUTOMATIC ELECTRIC CIRCUIT BREAKER, SAID TRIPPING MECHANISM COMPRISING A BIMETALLIC STRIP HAVING A FIXED END PORTION AND A FREE END PORTION, AN ELONGATED MAGNETIC YOKE SECURED TO AND DISPOSED ALONG THE BIMETALLIC STRIP BETWEEN SAID END PORTIONS THEREOF AND MAGNETIZABLE UPON FLOW OF CURRENT THROUGH THE BIMETALLIC STRIP, SAID YOKE HAVING A PAIR OF SPACED BEARING SURFACES DISPOSED ON THE END PORTION THEREOF ADJACENT SAID FIXED END PORTION OF SAID BIMETALLIC STRIP AND FACING TOWARD SAID FREE END PORTION OF THE BIMETALLIC STRIP, AN ELONGATED ARMATURE EXTENDING ALONG SAID YOKE AND PIVOTALLY SUPPORTED AT ONE END PORTION ON SAID BEARING SURFACES OF SAID YOKE, THE OTHER END PORTION OF SAID ARMATURE INCLUDING A LATCH PORTION ADAPTED TO RESTRAIN A RELEASABLE MEMBER OF
References Cited (Backward Citations)
US2677026A
Cited
US2494761A
Cited
US2656437A
Cited
US2732455A
Cited
US2854546A
Cited
US2902560A
Cited
US2847532A
Cited
US2897314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |