US3375427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphase rectifier
Assignee: Lorain Products Corp
•
Filing: 1964-03-12
•
Granted: 1968-03-26
•
Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Magner Richard George
- 👤 Robert J Plow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:58
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/162; H02M7/1623; H02M7/1626
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
IN A THREE-PHASE RECTIFIER SYSTEM, THE COMBINATION COMPRISING: POWER TRANSFORMER MEANS HAVING A PLURALITY OF INPUT WINDINGS INTERCONNECTED IN A THREE-PHASE NETWORK AND A PLURALITY OF OUTPUT WINDINGS INTERCONNECTED IN A THREE-PHASE NETWORK; A PLURALITY OF CONTROLLED IMPEDANCE DEVICES, EACH CONNECTED IN SERIES WITH ONE OF SAID INPUT WINDINGS AND EACH INCLUDING A CONTROL ELECTRODE; THREE-PHASE POWER INPUT MEANS CONNECTED TO EACH OF SAID CONTROLLED IMPEDANCE DEVICES;
References Cited (Backward Citations)
CA676658A
Cited
US3058047A
Cited
US3114098A
Cited
US3189810A
Cited
US3183376A
Cited
US3134068A
Cited
US3176215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |