US2837669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine
Assignee: General Electric Co
•
Filing: 1955-01-03
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Granted: 1958-06-03
•
Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Fisher Alec
- 👤 William B Penn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:42
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A DYNAMOELECTRIC MACHINE COMPRISING A STATOR INCLUDING A CORE HAVING WINDING SLOTS THEREIN, WINDINGS IN SAID SLOTS HAVING END TURNS EXTENDING BEYOND THE ENDS OF SAID CORE, SAID STATOR BEING COATED AND IMPREGNATED WITH A DUAL COATING SYSTEM COMPRISING (1) A CURED REACTION PRODUCT OF A POLYHYDRIC ALCOHOL AND A POLYBASIC ACID AND (2) AN OUTER COATING SUPERPOSED ON (1) COMPRISING AN AIR-CURED METHYLPOLYSILOXANE RESIN.
Claim 2
Dependent Claim
65 words
A DYNAMOELECTRIC MACHINE COMPRISING A STATOR INCLUDING A CORE HAVING WINDING SLOTS THEREIN, WINDINGS IN SAID SLOTS HAVING END TURNS EXTENDING BEYOND THE ENDS OF SAID CORE, SAID STATOR BEING COATED AND IMPREGNATED WITH A DUAL COATING SYSTEM COMPRISING (1) A CURED REACTION PRODUCT OF A POLYHYDRIC ALCOHOL AND A POLYBASIC ACID AND (2) AN OUTER COATING SUPERPOSED ON (1) COMPRISING AN AIR-CURED METHYLPOLYSILOXANE RESIN.
References Cited (Backward Citations)
US1827571A
Cited
US2414525A
Cited
US2516030A
Cited
US2626223A
Cited
US2618757A
Cited
GB698605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |