US3348623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electric drive system
Assignee: Individual
•
Filing: 1964-10-14
•
Granted: 1967-10-24
•
Expires: 1984-10-14
Abstract
No abstract record available.
Inventors
- 👤 Harold R Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:52
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/10; B60L50/13; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN AUTOMATIC ELECTRIC DRIVE SYSTEM COMPRISING: A PRIME MOVER HAVING AN OUTPUT SHAFT AND HAVING A MANUALLY OPERABLE OUTPUT CONTROLLER, SAID CONTROLLER BEING OPERABLE TO VARY THE POWER OUTPUT AVAILABLE ON SAID OUTPUT SHAFT; A SOURCE OF DIRECT CURRENT ELECTRICAL ENERGY; AN ELECTRICAL GENERATOR HAVING A ROTOR CONNECTED TO AND DRIVEN BY SAID OUTPUT SHAFT, SAID GENERATOR HAVING EXCITER MEANS THEREIN AND HAVING LOAD CURRENT POWER OUTPUT AND MEANS THEREIN; A VEHICLE DRIVE MOTOR HAVING POWER INPUT TEMINALS THEREON AND HAVING A POWER OUTPUT SHAFT; POWER SWITCHING MEAND CONNECTING THE POWER OUTPUT MEANS OF SAID GENERATOR TO THE POWER INPUT TERMINALS OF SAID MOTOT; AN EXCITER FOR SAID GENERATOR, SAID EXCITER CIRCUIT INCLUDING SAID EXCITER MEANS, SAID SOURCE OF ELECTRICAL ENERGY, AND A VARIABLE RESISTANCE MEANS;
Claim 2
Dependent Claim
126 words
AN AUTOMATIC ELECTRIC DRIVE SYSTEM COMPRISING: A PRIME MOVER HAVING AN OUTPUT SHAFT AND HAVING A MANUALLY OPERABLE OUTPUT CONTROLLER, SAID CONTROLLER BEING OPERABLE TO VARY THE POWER OUTPUT AVAILABLE ON SAID OUTPUT SHAFT; A SOURCE OF DIRECT CURRENT ELECTRICAL ENERGY; AN ELECTRICAL GENERATOR HAVING A ROTOR CONNECTED TO AND DRIVEN BY SAID OUTPUT SHAFT, SAID GENERATOR HAVING EXCITER MEANS THEREIN AND HAVING LOAD CURRENT POWER OUTPUT AND MEANS THEREIN; A VEHICLE DRIVE MOTOR HAVING POWER INPUT TEMINALS THEREON AND HAVING A POWER OUTPUT SHAFT; POWER SWITCHING MEAND CONNECTING THE POWER OUTPUT MEANS OF SAID GENERATOR TO THE POWER INPUT TERMINALS OF SAID MOTOT; AN EXCITER FOR SAID GENERATOR, SAID EXCITER CIRCUIT INCLUDING SAID EXCITER MEANS, SAID SOURCE OF ELECTRICAL ENERGY, AND A VARIABLE RESISTANCE MEANS;
References Cited (Backward Citations)
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Cited
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Cited
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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 |