US3158769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eccentric winding alternating current dynamoelectric machine
Assignee: Electric Motors and Specialties Inc
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Filing: 1962-01-08
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Granted: 1964-11-24
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Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Wayne J Morrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:39
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04; H02K17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A POLE PIECE FOR AN ALTERNATING CURRENT MOTOR, COMPRISING, FIRST, SECOND, AND THIRD POLE FACE PORTIONS DISPOSED IN THAT ORDER ON SAID POLE PIECE, FIRST AND SECOND ENERGIZING WINDING MEANS ENERGIZABLE FROM AN EXTERNAL SOURCE ACTING ON SAID POLE PIECE AND ESTABLISHING A FIRST MAGNETOMOTIVE FORCE AT SAID SECOND POLE FACE PORTION AND A SECOND MAGNETOMOTIVE FORCE OF LESSER MAGNITUDE AT SAID THIRD POLE FACE PORTION, AND THIRD WINDING MEANS ESTABLISHING A MAGNETOMOTIVE FORCE AT SAID FIRST POLE FACE PORTION DISPLACED IN PHASE FROM SAID FIRST MAGNETOMOTIVE FORCE.
Claim 2
Dependent Claim
88 words
A POLE PIECE FOR AN ALTERNATING CURRENT MOTOR, COMPRISING, FIRST, SECOND, AND THIRD POLE FACE PORTIONS DISPOSED IN THAT ORDER ON SAID POLE PIECE, FIRST AND SECOND ENERGIZING WINDING MEANS ENERGIZABLE FROM AN EXTERNAL SOURCE ACTING ON SAID POLE PIECE AND ESTABLISHING A FIRST MAGNETOMOTIVE FORCE AT SAID SECOND POLE FACE PORTION AND A SECOND MAGNETOMOTIVE FORCE OF LESSER MAGNITUDE AT SAID THIRD POLE FACE PORTION, AND THIRD WINDING MEANS ESTABLISHING A MAGNETOMOTIVE FORCE AT SAID FIRST POLE FACE PORTION DISPLACED IN PHASE FROM SAID FIRST MAGNETOMOTIVE FORCE.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |