Patent US3129378A successfully refreshed from Google Patents.
US3129378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle electrical system including semiconductor regulator and switch means
Assignee: Motors Liquidation Co
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Filing: 1959-11-09
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Granted: 1964-04-14
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Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Louis J Raver
- 👤 Robert L Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:46
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/24; H02J7/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN COMBINATION, A DIRECT CURRENT POWER SOURCE HAVING A CONTROL WINDING, VOLTAGE REGULATING MEANS INCLUDING A TRANSISTOR HAVING AN EMITTER-COLLECTOR CIRCUIT CONNECTED WITH SAID POWER SOURCE AND WITH SAID CONTROL WINDING FOR CONTROLLING THE CURRENT FLOW THROUGH SAID CONTROL WINDING AS A FUNCTION OF OUTPUT VOLTAGE OF SAID POWER SOURCE, A BASE CIRCUIT FOR CONNECTING THE BASE ELECTRODE OF SAID TRANSISTOR TO ONE SIDE OF SAID POWER SOURCE, SAID BASE CIRCUIT INCLUDING THE EMITTER-COLLECTOR CIRCUIT OF A SECOND TRAN-
Claim 2
Dependent Claim
79 words
IN COMBINATION, A DIRECT CURRENT POWER SOURCE HAVING A CONTROL WINDING, VOLTAGE REGULATING MEANS INCLUDING A TRANSISTOR HAVING AN EMITTER-COLLECTOR CIRCUIT CONNECTED WITH SAID POWER SOURCE AND WITH SAID CONTROL WINDING FOR CONTROLLING THE CURRENT FLOW THROUGH SAID CONTROL WINDING AS A FUNCTION OF OUTPUT VOLTAGE OF SAID POWER SOURCE, A BASE CIRCUIT FOR CONNECTING THE BASE ELECTRODE OF SAID TRANSISTOR TO ONE SIDE OF SAID POWER SOURCE, SAID BASE CIRCUIT INCLUDING THE EMITTER-COLLECTOR CIRCUIT OF A SECOND TRAN-
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |