US3243689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power control circuit
Assignee: SUPERLOR ELECTRIC Co
•
Filing: 1961-11-02
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Granted: 1966-03-29
•
Expires: 1981-11-02
Abstract
No abstract record available.
Inventors
- 👤 Allen R Perrins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/45; G05F1/455; H; H05; H05B; H05B39/00; H05B39/04; H05B39/08; H05B39/083
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
AN A.C. POWER CONTROL SYSTEM FOR CONTROLLING THE POWER TO A LOAD COMPRISING AN INPUT CONNECTIBLE TO A SOURCE OF A.C., AN OUTPUT CONNECTIBLE TO THE LOAD, SEMICONDUCTOR POWER CONTROLLING MEAN NORMALLY NON-CONDUCTING BUT RESPONSIVE TO A SIGNAL TO BE RENDERED CONDUCTING AND CONNECTED TO CONTROL THE POWER TRANSMITTED TO THE OUTPUT, SIGNAL MEANS CONNECTED TO THE SEMICONDUCTOR MEANS FOR PRODUCING A SIGNAL TO RENDER THE SEMI-CONTOR MEANS CONDUCTIVE, MEANS CONNECTED TO THE SIGNAL MEANS FOR PRODUCING A VOLTAGE WHICH INCREASES FOR EACH HALF CYCLE AT A SUBSTANTIALLY LINEAR RATE TO RENDER THE
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |