US3075107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canned motor
Assignee: General Electric Co
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Filing: 1958-12-29
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Granted: 1963-01-22
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph O Eis
- 👤 Charles F Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:27
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/22; H02K9/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
APPARATUS FOR TRANSMITTING HEAT FROM COILS IN A CONFINED SPACE TO AN AREA OF LOWER TEMPERATURE COMPRISING A MAGNETIC CORE HAVING ELECTRICAL CONDUCTORS THEREIN, A PORTION OF SAID CONDUCTORS EXTENDING OUTWARDLY FROM SAID CORE AND ENCLOSED IN A DEAD AIR SPACE, AN INITIALLY SOFT HEAT CONDUCTIVE MATERIAL OF PUTTY-LIKE CONSISTENCY CAPABLE OF CURING INTO A SOLID SUBSTANCE POSITIONED ON A MAJOR PORTION OF THE AXIAL LENGTH OF SAID PORTIONS OF THE CONDUCTORS, AND A METALLIC BODY HAVING ITS INNER SURFACE IN CONTACT WITH THE HEAT CONDUCTIVE MATERIAL AND ITS OUTER
Claim 2
Dependent Claim
90 words
APPARATUS FOR TRANSMITTING HEAT FROM COILS IN A CONFINED SPACE TO AN AREA OF LOWER TEMPERATURE COMPRISING A MAGNETIC CORE HAVING ELECTRICAL CONDUCTORS THEREIN, A PORTION OF SAID CONDUCTORS EXTENDING OUTWARDLY FROM SAID CORE AND ENCLOSED IN A DEAD AIR SPACE, AN INITIALLY SOFT HEAT CONDUCTIVE MATERIAL OF PUTTY-LIKE CONSISTENCY CAPABLE OF CURING INTO A SOLID SUBSTANCE POSITIONED ON A MAJOR PORTION OF THE AXIAL LENGTH OF SAID PORTIONS OF THE CONDUCTORS, AND A METALLIC BODY HAVING ITS INNER SURFACE IN CONTACT WITH THE HEAT CONDUCTIVE MATERIAL AND ITS OUTER
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |