Patent US2864986A successfully refreshed from Google Patents.
Patent US3254268A successfully refreshed from Google Patents.
US3254268A
Expired / Lapsed
US
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Protective system for capacitance serially connected with inductive apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1963-08-12
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Granted: 1966-05-31
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Radus
- 👤 Jr John J Astleford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:20
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/16; H01; H01F; H01F27/00; H01F27/40; H01F27/402; H01T; H01T1/00; H01T1/02; H01T1/04; H01T1/06; H02H7/04; H02H9/00; H02H9/005; H02H9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
ELECTRICAL INDUCTIVE APPARATUS COMPRISING WINDINGS ARRANGED TO PROVIDE A PREDETERMINED CAPACITANCE, PROTECTIVE MEANS CONNECTED ACROSS SAID CAPACITANCE, SAID PROTECTIVE MEANS COMPRISING ELECTRODE MEANS HAVING PREDETERMINED MINIMUM DIMENSIONS AND DISPOSED TO FORM A GAP WHICH WILL PREVENT ELECTRICAL CONDUCTION BELOW A PREDETERMINED VOLTAGE AND ALLOW CONDUCTION IN THE FORM OF AN ARC ABOVE THE PREDETERMINED VOLTAGE, AND MEANS DISPOSED TO MOVE THE ARC IN THE GAP PROVIDED BY SAID ELECTRODE MEANS ALONG ONE OF THE DIMENSIONS OF SAID ELECTRODE MEANS, THE PREDETERMINED MINIMUM DIMENSIONS OF SAID ELECTRODE MEANS BEING SELECTED TO CAUSE THE ARC TO
Claim 2
Dependent Claim
94 words
ELECTRICAL INDUCTIVE APPARATUS COMPRISING WINDINGS ARRANGED TO PROVIDE A PREDETERMINED CAPACITANCE, PROTECTIVE MEANS CONNECTED ACROSS SAID CAPACITANCE, SAID PROTECTIVE MEANS COMPRISING ELECTRODE MEANS HAVING PREDETERMINED MINIMUM DIMENSIONS AND DISPOSED TO FORM A GAP WHICH WILL PREVENT ELECTRICAL CONDUCTION BELOW A PREDETERMINED VOLTAGE AND ALLOW CONDUCTION IN THE FORM OF AN ARC ABOVE THE PREDETERMINED VOLTAGE, AND MEANS DISPOSED TO MOVE THE ARC IN THE GAP PROVIDED BY SAID ELECTRODE MEANS ALONG ONE OF THE DIMENSIONS OF SAID ELECTRODE MEANS, THE PREDETERMINED MINIMUM DIMENSIONS OF SAID ELECTRODE MEANS BEING SELECTED TO CAUSE THE ARC TO
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |