Patent US1866882A successfully refreshed from Google Patents.
Patent US3118036A successfully refreshed from Google Patents.
US3118036A
Expired / Lapsed
US
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Circuit breaker contact and arc extinguishing means
Assignee: General Electric Co
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Filing: 1962-07-12
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Granted: 1964-01-14
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Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 George E Gauthier
- 👤 Keith W Klein
- 👤 David B Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:58
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44; H01H9/446
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A CONTACT AND ARC EXTINGUISHING ASSEMBLY COMPRISING: (A) A PAIR OF RELATIVELY MOVABLE CONTACTS MOVABLE INTO AND OUT OF ENGAGEMENT WITH EACH OTHER, (B) AN ELONGATED CONDUCTOR, (C) AT LEAST ONE OF SAID CONTACTS BEING CARRIED BY ONE END PORTION OF SAID CONDUCTOR, (D) A GENERALLY U-SHAPED ARC RUNNER CARRIED BY SAID CONDUCTOR ADJACENT SAID ONE CONTACT, SAID ARC RUNNER HAVING A BIGHT PORTION EXTENDING ACROSS SAID CONDUCTOR ON THE SIDE OF SAID CONTACT AWAY FROM SAID END OF SAID CONDUCTOR, (E) SAID BIGHT PORTION HAVING BENT OVER SIDE-PORTIONS EXTENDING ALONG EACH SIDE OF SAID CONDUCTOR TO SAID END OF SAID CONDUCTOR, AND (F) SAID ARC RUNNER HAVING A PORTION OF SAID BIGHT PORTION CUT AWAY WHEREBY SAID ARC RUNNER SERVES TO DRAW AN ARC TOWARD SAID BIGHT PORTION WITHOUT VAPORIZATION OR MELTING OF METALLIC MATERIAL OF SAID RUNNER.
Claim 2
Dependent Claim
139 words
A CONTACT AND ARC EXTINGUISHING ASSEMBLY COMPRISING: (A) A PAIR OF RELATIVELY MOVABLE CONTACTS MOVABLE INTO AND OUT OF ENGAGEMENT WITH EACH OTHER, (B) AN ELONGATED CONDUCTOR, (C) AT LEAST ONE OF SAID CONTACTS BEING CARRIED BY ONE END PORTION OF SAID CONDUCTOR, (D) A GENERALLY U-SHAPED ARC RUNNER CARRIED BY SAID CONDUCTOR ADJACENT SAID ONE CONTACT, SAID ARC RUNNER HAVING A BIGHT PORTION EXTENDING ACROSS SAID CONDUCTOR ON THE SIDE OF SAID CONTACT AWAY FROM SAID END OF SAID CONDUCTOR, (E) SAID BIGHT PORTION HAVING BENT OVER SIDE-PORTIONS EXTENDING ALONG EACH SIDE OF SAID CONDUCTOR TO SAID END OF SAID CONDUCTOR, AND (F) SAID ARC RUNNER HAVING A PORTION OF SAID BIGHT PORTION CUT AWAY WHEREBY SAID ARC RUNNER SERVES TO DRAW AN ARC TOWARD SAID BIGHT PORTION WITHOUT VAPORIZATION OR MELTING OF METALLIC MATERIAL OF SAID RUNNER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |