Patent US3349314A successfully refreshed from Google Patents.
US3349314A
Expired / Lapsed
US
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Inverter utilizing an auxiliary controlled rectifier for commutating the power controlled rectifiers
Assignee: RTX Corp
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Filing: 1965-09-14
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Granted: 1967-10-24
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Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Giannamore Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/5152
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
A PARALLEL INVERTER CIRCIUT FOR ALTERING A SOURCE OF D.C. CURRENT TO AN A.C. CURRENT SOURCE COMPRISING: A TRANSFORMER HAVING A CENTER TAPPED PRIMARY WINDING AND A SECONDARY WINDING, A PLURALITY OF POWER RECTIFIERS EACH HAVING AN ANODE, A CATHODE AND A CONTROL ELECTRODE FOR ACTIVATING THE FLOW OF CURRENT FORM THE ANODE TO THE CATHODE, A CONTROL ELECTRODE FOR ACTIVATING THE FLOW OF CURRENT A CONTROL ELECTRODE FOR ACTIVATING THE FLOW OF CURRENT BETWEEN THE MAIN ELECTRODES, SAID POWER RECTIFIERS CONNECTED ACROSS THE PRIMARY WINDING, ONE OF THE MAIN ELECTRODES OF THE CONTROL RECTIFIER ELECTRICALLY CONNECTED TO THE CENTER TAP OF THE PRIMARY WINDING,
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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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |