US2935859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed dynamoelectric machine
Assignee: General Electric Co
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Filing: 1957-09-05
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Granted: 1960-05-10
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Expires: 1977-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry H Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:00
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A REFRIGERATOR MOTOR HAVING A STATIONARY MEMBER COMPRISING A CORE PROVIDED WITH A PLURALITY OF SLOTS, AN INSULATING LINER IN EACH OF SAID SLOTS, AND WINDINGS OF AN INSULATED ELECTRICAL CONDUCTOR WITHIN THE LINED SLOTS, SAID INSULATING LINER COMPRISING A POLYALKYLENE TEREPHTHALATE FILM, AND THE INSULATION ON SAID ELECTRICAL CONDUCTOR COMPRISING A CURED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE PRODUCT OF REACTION OF (1) FROM ABOUT 25 TO 56 EQUIVALENT PERCENT OF A LOWER DIALKYL ESTER OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF TEREPHTHALIC ACID AND ISOPHTHALIC ACID AND MIXTURES OF SAID MEMBERS, (2) FROM ABOUT 15 TO 46 EQUIVALENT PERCENT OF ETHYLENE GLYCOL, AND (3) FROM ABOUT 13 TO 44 EQUIVALENT PERCENT OF A SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS, THE SUM OF THE EQUIVALENT PERCENTS OF (1), (2), AND (3) BEING EQUAL TO 100 EQUIVALENT PERCENT.
Claim 2
Dependent Claim
144 words
A REFRIGERATOR MOTOR HAVING A STATIONARY MEMBER COMPRISING A CORE PROVIDED WITH A PLURALITY OF SLOTS, AN INSULATING LINER IN EACH OF SAID SLOTS, AND WINDINGS OF AN INSULATED ELECTRICAL CONDUCTOR WITHIN THE LINED SLOTS, SAID INSULATING LINER COMPRISING A POLYALKYLENE TEREPHTHALATE FILM, AND THE INSULATION ON SAID ELECTRICAL CONDUCTOR COMPRISING A CURED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE PRODUCT OF REACTION OF (1) FROM ABOUT 25 TO 56 EQUIVALENT PERCENT OF A LOWER DIALKYL ESTER OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF TEREPHTHALIC ACID AND ISOPHTHALIC ACID AND MIXTURES OF SAID MEMBERS, (2) FROM ABOUT 15 TO 46 EQUIVALENT PERCENT OF ETHYLENE GLYCOL, AND (3) FROM ABOUT 13 TO 44 EQUIVALENT PERCENT OF A SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS, THE SUM OF THE EQUIVALENT PERCENTS OF (1), (2), AND (3) BEING EQUAL TO 100 EQUIVALENT PERCENT.
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) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |