Patent US3145313A successfully refreshed from Google Patents.
US3145313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractional horsepower electric motor
Assignee: General Electric Co
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Filing: 1960-01-06
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Granted: 1964-08-18
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Expires: 1980-01-06
Abstract
No abstract record available.
Inventors
- 👤 Myron D Tupper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:37
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
A DYNAMOELECTRIC MACHINE COMPRISING A PLURALITY OF LAMINATIONS IN JUXTAPOSED RELATION TO FORM A STACK HAVING SIDE FACES AND A ROTOR RECEIVING BORE, A PLURALITY OF COILS ARRANGED ON SAID STACK WITH END TURNS EXTENDING BEYOND EACH SIDE FACE THEREOF, A PLURALITY OF GROOVES EXTENDING AXIALLY ACROSS THE OUTER PERIPHERY OF SAID STACK, AN ELONGATED STRIP MEMBER DISPOSED IN EACH OF SAID GROOVES AND HAVING THE SIDE EDGES OF A PORTION OF SAID MEMBER IN FRICTIONAL ENGAGEMENT WITH THE ADJACENT SIDES OF SAID GROOVE, SAID STRIP MEMBER FORMED WITH INTEGRAL LEGS PROJECTING AXIALLY COMPRESSING ENGAGEMENT WITH SAID END FACES INTO AXIALLY COMPRESSING ENGAGEMENT WITH SAID END FACES FOR FIRMLY SECURING TOGETHER SAID LAMINATIONS IN A PREDETERMINED POSITION, SAID STRIP MEMBERS HAVING THE FREE END PORTIONS THEREOF PROJECTING AXIALLY AWAY FROM SAID LAMINATION END FACES BELOW SAID COIL END TURNS IN ENGAGE-
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |