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US3112818A
Expired / Lapsed
US
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Synchronous motor
Assignee: Kingston Products Corp
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Filing: 1961-09-06
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Granted: 1963-12-03
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Expires: 1981-09-06
Abstract
No abstract record available.
Inventors
- 👤 Lee A Woolley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:06
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/118; H02K7/1185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A SYNCHRONOUS ELECTRIC MOTOR ASSEMBLY, A STRUCTURE FOR INSURING THAT THE MOTOR WILL RUN CONTINUALLY IN A PREDETERMINED DIRECTION, COMPRISING: (A) A ROTATABLY DRIVEN ELEMENT HAVING A FIRST ABUTMENT DISPOSED ECCENTRICALLY THEREON AND MOVABLE THEREWITH; (B) A SECOND ABUTMENT SUPPORTED IN A FIXED STATIONARY POSITION ECCENTRIC TO THE ROTATIONAL AXIS OF SAID DRIVEN ELEMENT; AND
Claim 2
Dependent Claim
56 words
IN A SYNCHRONOUS ELECTRIC MOTOR ASSEMBLY, A STRUCTURE FOR INSURING THAT THE MOTOR WILL RUN CONTINUALLY IN A PREDETERMINED DIRECTION, COMPRISING: (A) A ROTATABLY DRIVEN ELEMENT HAVING A FIRST ABUTMENT DISPOSED ECCENTRICALLY THEREON AND MOVABLE THEREWITH; (B) A SECOND ABUTMENT SUPPORTED IN A FIXED STATIONARY POSITION ECCENTRIC TO THE ROTATIONAL AXIS OF SAID DRIVEN ELEMENT; AND
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |