US3305793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
D.c. to a.c. converter with amplitude regulation and overload protection
Assignee: Lorain Products Corp
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Filing: 1965-08-16
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Granted: 1967-02-21
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Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Neil A Kammiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:27
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5387; H02M7/53871; H02H; H02H7/00; H02H7/10; H02H7/12; H02H7/122; H02H7/1227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A FREQUENCY GENERATOR ADAPTED TO OPERATE FROM A D.-C. SOURCE AND HAVING AN OSCILLATOR, AN AMPLIFIER, AN OUTPUT TRANSFORMER PROVIDED WITH PRIMARY AND SECONDARY WINDINGS AND MEANS FOR CONNECTING THE OUTPUT OF THE OSCILLATOR ACROSS THE PRIMARY WINDING OF THE OUTLET TRANSFORMER THROUGH SAID AMPLIFIER, A LOAD BEING CONNECTED ACROSS ONE OF SAID SECONDARY WINDINGS, IN COMBINATION, A CONTROL CIRCUIT INCLUDING OUTPUT VOLTAGE RESPONSIVE MEANS COUPLED IN ENERGY RECEIVING RELATIONSHIP TO THE OUTPUT TRANSFORMER, LOAD CURRENT RESPONSIVE MEANS CONNECTED SERIALLY IN THE CURRENT PATH IN THE AMPLIFIER, BISTABLE VOLTAGE MEANS COUPLED IN ENERGY RECEIVING RELATIONSHIP TO THE OUTPUT TRANSFORMER, MEANS FOR CONNECTING SAID LOAD CURRENT RESPONSIVE MEANS, SAID BISTABLE VOLTAGE MEANS AND SAID OUTPUT VOLTAGE RESPONSIVE MEANS IN CIRCUIT RELA-
Claim 2
Dependent Claim
121 words
IN A FREQUENCY GENERATOR ADAPTED TO OPERATE FROM A D.-C. SOURCE AND HAVING AN OSCILLATOR, AN AMPLIFIER, AN OUTPUT TRANSFORMER PROVIDED WITH PRIMARY AND SECONDARY WINDINGS AND MEANS FOR CONNECTING THE OUTPUT OF THE OSCILLATOR ACROSS THE PRIMARY WINDING OF THE OUTLET TRANSFORMER THROUGH SAID AMPLIFIER, A LOAD BEING CONNECTED ACROSS ONE OF SAID SECONDARY WINDINGS, IN COMBINATION, A CONTROL CIRCUIT INCLUDING OUTPUT VOLTAGE RESPONSIVE MEANS COUPLED IN ENERGY RECEIVING RELATIONSHIP TO THE OUTPUT TRANSFORMER, LOAD CURRENT RESPONSIVE MEANS CONNECTED SERIALLY IN THE CURRENT PATH IN THE AMPLIFIER, BISTABLE VOLTAGE MEANS COUPLED IN ENERGY RECEIVING RELATIONSHIP TO THE OUTPUT TRANSFORMER, MEANS FOR CONNECTING SAID LOAD CURRENT RESPONSIVE MEANS, SAID BISTABLE VOLTAGE MEANS AND SAID OUTPUT VOLTAGE RESPONSIVE MEANS IN CIRCUIT RELA-
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |