Patent US3225286A successfully refreshed from Google Patents.
US3225286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage and frequency regulator for a motor-generator inverter
Assignee: Individual
•
Filing: 1962-03-08
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Granted: 1965-12-21
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Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Henry J Wysocki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
H; H02; H02K; H02K99/00; H02K99/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A DIRECT CURRENT GENERATOR COMPRISING: MEANS, INCLUDING A FIELD ALTERNATOR HAVING A FIRST ARMATURE AND A FIRST STATOR HAVING A FIRST COIL THEREON, FOR DEVELOPING AN ALTERNATING CURRENT SIGNAL OF PREDETERMINED WAVE SHAPE; MEANS, INCLUDING A GENERATOR HAVING FIELD PRODUCING WINDINGS COUPLED TO AND RECEIVING SAID ALTERNATING CURRENT SIGNAL AND HAVING A MOVABLE SECOND ARMATURE AND A SECOND STATOR CARRYING SAID WINDINGS, SAID SECOND ARMATURE HAVING A SECOND COIL THEREON FOR DEVELOPING A DIRECT CURRENT SIGNAL THEREIN; A MEANS FOR MAINTAINING A CONSTANT RATIO OF ANGULAR ROTATION BETWEEN SAID FIRST AND SECOND ARMATURES.
Claim 2
Dependent Claim
93 words
A DIRECT CURRENT GENERATOR COMPRISING: MEANS, INCLUDING A FIELD ALTERNATOR HAVING A FIRST ARMATURE AND A FIRST STATOR HAVING A FIRST COIL THEREON, FOR DEVELOPING AN ALTERNATING CURRENT SIGNAL OF PREDETERMINED WAVE SHAPE; MEANS, INCLUDING A GENERATOR HAVING FIELD PRODUCING WINDINGS COUPLED TO AND RECEIVING SAID ALTERNATING CURRENT SIGNAL AND HAVING A MOVABLE SECOND ARMATURE AND A SECOND STATOR CARRYING SAID WINDINGS, SAID SECOND ARMATURE HAVING A SECOND COIL THEREON FOR DEVELOPING A DIRECT CURRENT SIGNAL THEREIN; A MEANS FOR MAINTAINING A CONSTANT RATIO OF ANGULAR ROTATION BETWEEN SAID FIRST AND SECOND ARMATURES.
References Cited (Backward Citations)
US1492972A
Cited
US2266607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |