US3109135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized voltage regulator
Assignee: General Electric Co
•
Filing: 1960-12-09
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Granted: 1963-10-29
•
Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Richard G Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:31
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
AN A.C. VOLTAGE AMPLITUDE REGULATOR COMPRISING A FIRST TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES AND HAVING PN JUNCTIONS, A SECOND TRANSISTOR OF COMPLEMENTARY TYPE WITH RESPECT TO SAID FIRST TRANSISTOR ALSO HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, A LOAD, AN UNREGULATED A.C. VOLTAGE SOURCE, MEANS FOR COMPLETING A SERIES CIRCUIT NETWORK INCLUDING THE COLLECTOR-EMITTER PATH OF SAID FIRST TRANSISTOR, THE COLLECTOR-EMITTER PATH OF SAID SECOND TRANSISTOR, SAID LOAD, AND SAID A.C. VOLTAGE SOURCE, AND MEANS FOR BIASING ALL OF SAID PN JUNCTIONS OF SAID TRANSISTORS IN THE FORWARD DIRECTION AT A PREDTERMINED BASE BIAS VOLTAGE LEVEL.
References Cited (Backward Citations)
US2980806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |