US3384812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision power supply for high currents or voltages
Assignee: General Electric Co
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Filing: 1966-04-05
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Granted: 1968-05-21
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Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Robert C Ivy
- 👤 Jr Morton P Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:33
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
67 words
A CONTROL CIRCUIT COMPRISING: (A) A TRANSFORMER HAVING A CENTER-TAPPED WINDING COUPLING A SOURCE OF A-C POWER TO A LOAD; (B) CONNECTING MEANS ARRANGED SO THAT POWER FLOWS THROUGH THE RESPECTIVE HALVES OF THE CENTER-TAPPED WINDING ONLY DURING ALTERNATE HALF-CYCLES; (C) A REGULATING SWITCH FOR CONTROLLING THE TIME-RATIO OF APPLIED POWER BY PRODUCING AN OPEN CIRCUIT CONDITION WHEN THE DESIRED POWER FOR EACH HALF-CYCLE IS DELIVERED INCLUDING:
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |