Patent US4965843A successfully refreshed from Google Patents.
Patent US3155801A successfully refreshed from Google Patents.
US3155801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc chute side with encapsulated face wound blowout coil
Assignee: ABB Inc USA
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Filing: 1960-12-21
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Granted: 1964-11-03
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Expires: 1980-12-21
Abstract
No abstract record available.
Inventors
- 👤 Frank J Pokorny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:04
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
244 words
AN ARC CHUTE FOR INTERRUPTING AN ELECTRIC ARC COMPRISED OF A PAIR OF SHELLS; EACH OF SAID SHELLS BEING MADE OF A MATERIAL HAVING HIGH DIELECTRIC STRENGTH AND HAVING A PLURALITY OF APERTURES SPACED ALONG ITS PERIMETER; FASTENING MEANS INSERTED THROUGH SAID APERTURES FOR SECURING SAID SHELLS TO ONE ANOTHER TO THEREBY FORM A PARTIALLY ENCLOSED SUBSTANTIALLY RECTANGULAR HOUSING; EACH OF SAID SHELLS HAVING AN INNER AND OUTER FACE; SAID OUTER FACES OF EACH OF SAID SHELLS HAVING FIRST AND SECOND EXTENDING PORTIONS PROJECTING OUTWARD FROM SAID OUTER FACE OF SAID SHELLS; SAID FIRST AND SECOND EXTENDING PORTIONS FORMING AN ANNULAR SHAPED TROUGH THEREBETWEEN; BLOWOUT MEANS FOR URGING AN ELECTRIC ARC INTO SAID HOUSING; SAID BLOWOUT MEANS INCLUDING FIRST AND SECOND COILS EACH HAVING AT LEAST ONE TURN; SAID FIRST COIL BEING POSITIONED IN SAID TROUGH OF ONE OF SAID SHELLS AND SAID SECOND COIL BEING POSITIONED IN SAID TROUGH OF THE OTHER OF SAID SHELLS; EACH OF SAID COILS FORMED TO GENERATE MAGNETIC FLUX IN BOTH THE REGION OF COOPERATING CONTACTS AND SUBSTANTIALLY THE ENTIRE REGION OF SAID ARC CHUTE; SAID INNER FACE OF EACH OF SAID SHELLS HAVING A PAIR OF SPACED PARALLEL RIBS VERTICALLY ALIGNED IN SAID SHELL; A PLURALITY OF SPACED PARALLEL ARC PLATES; SAID ARC PLATES BEING POSITIONED BETWEEN SAID RIBS AND WITHIN THE HOUSING FORMED BY SAID PAIR OF SHELLS; FILLER MATERIAL CONTAINED IN EACH OF SAID TROUGHS TO RIGIDLY SECURE SAID COILS TO THEIR ASSOCIATED SAID SHELLS.
Claim 2
Dependent Claim
244 words
AN ARC CHUTE FOR INTERRUPTING AN ELECTRIC ARC COMPRISED OF A PAIR OF SHELLS; EACH OF SAID SHELLS BEING MADE OF A MATERIAL HAVING HIGH DIELECTRIC STRENGTH AND HAVING A PLURALITY OF APERTURES SPACED ALONG ITS PERIMETER; FASTENING MEANS INSERTED THROUGH SAID APERTURES FOR SECURING SAID SHELLS TO ONE ANOTHER TO THEREBY FORM A PARTIALLY ENCLOSED SUBSTANTIALLY RECTANGULAR HOUSING; EACH OF SAID SHELLS HAVING AN INNER AND OUTER FACE; SAID OUTER FACES OF EACH OF SAID SHELLS HAVING FIRST AND SECOND EXTENDING PORTIONS PROJECTING OUTWARD FROM SAID OUTER FACE OF SAID SHELLS; SAID FIRST AND SECOND EXTENDING PORTIONS FORMING AN ANNULAR SHAPED TROUGH THEREBETWEEN; BLOWOUT MEANS FOR URGING AN ELECTRIC ARC INTO SAID HOUSING; SAID BLOWOUT MEANS INCLUDING FIRST AND SECOND COILS EACH HAVING AT LEAST ONE TURN; SAID FIRST COIL BEING POSITIONED IN SAID TROUGH OF ONE OF SAID SHELLS AND SAID SECOND COIL BEING POSITIONED IN SAID TROUGH OF THE OTHER OF SAID SHELLS; EACH OF SAID COILS FORMED TO GENERATE MAGNETIC FLUX IN BOTH THE REGION OF COOPERATING CONTACTS AND SUBSTANTIALLY THE ENTIRE REGION OF SAID ARC CHUTE; SAID INNER FACE OF EACH OF SAID SHELLS HAVING A PAIR OF SPACED PARALLEL RIBS VERTICALLY ALIGNED IN SAID SHELL; A PLURALITY OF SPACED PARALLEL ARC PLATES; SAID ARC PLATES BEING POSITIONED BETWEEN SAID RIBS AND WITHIN THE HOUSING FORMED BY SAID PAIR OF SHELLS; FILLER MATERIAL CONTAINED IN EACH OF SAID TROUGHS TO RIGIDLY SECURE SAID COILS TO THEIR ASSOCIATED SAID SHELLS.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |