US3148308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer
Assignee: Westinghouse Electric Corp
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Filing: 1961-12-27
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Granted: 1964-09-08
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Specht
- 👤 Edward N Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:38
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/04; H02H9/00; H02H9/04; H02H9/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A POWER DISTRIBUTION SYSTEM COMPRISING AN AUTOTRANSFORMER HAVING FIRST AND SECOND WINDING PORTIONS; A SOURCE OF ALTERNATING POTENTIAL CONNECTED IN CIRCUIT RELATION WITH SAID FIRST AND SECOND WINDING PORTIONS; A LOAD CIRCUIT CONNECTED IN CIRCUIT RELATION WITH SAID SECOND WINDING PORTION; VOLTAGE RESPONSIVE CIRCUIT OPENING AND CLOSING MEANS CONNECTED ACROSS SAID FIRST AND SECOND WINDING PORTIONS; AN AUXILIARY WINDING DISPOSED IN INDUCTIVE RELATION WITH SAID SECOND WINDING PORTION; SAID AUXILARY WINDING BEING CONNECTED IN CIRCUIT RELATION WITH SAID VOLTAGE RESPONSIVE CIRCUIT OPENING AND CLOSING MEANS, SAID SECOND WINDING PORTION, AND SAID LOAD CIRCUIT; SAID VOLTAGE RESPONSIVE CIRCUIT OPENING AND CLOSING MEANS COMPLETING AN ELECTRICAL CIRCUIT ACROSS SAID FIRST AND SECOND WINDING PORTIONS IN RESPONSE TO AN OPEN CIRCUIT CONDITION IN SAID SECOND WINDING PORTION.
Claim 2
Dependent Claim
124 words
A POWER DISTRIBUTION SYSTEM COMPRISING AN AUTOTRANSFORMER HAVING FIRST AND SECOND WINDING PORTIONS; A SOURCE OF ALTERNATING POTENTIAL CONNECTED IN CIRCUIT RELATION WITH SAID FIRST AND SECOND WINDING PORTIONS; A LOAD CIRCUIT CONNECTED IN CIRCUIT RELATION WITH SAID SECOND WINDING PORTION; VOLTAGE RESPONSIVE CIRCUIT OPENING AND CLOSING MEANS CONNECTED ACROSS SAID FIRST AND SECOND WINDING PORTIONS; AN AUXILIARY WINDING DISPOSED IN INDUCTIVE RELATION WITH SAID SECOND WINDING PORTION; SAID AUXILARY WINDING BEING CONNECTED IN CIRCUIT RELATION WITH SAID VOLTAGE RESPONSIVE CIRCUIT OPENING AND CLOSING MEANS, SAID SECOND WINDING PORTION, AND SAID LOAD CIRCUIT; SAID VOLTAGE RESPONSIVE CIRCUIT OPENING AND CLOSING MEANS COMPLETING AN ELECTRICAL CIRCUIT ACROSS SAID FIRST AND SECOND WINDING PORTIONS IN RESPONSE TO AN OPEN CIRCUIT CONDITION IN SAID SECOND WINDING PORTION.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |