US3384427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integral fluid-film magnetic bearing
Assignee: General Electric Co
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Filing: 1964-08-27
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Granted: 1968-05-21
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 James D Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:56
CPC Classifications
F; F16; F16C; F16C39/00; F16C39/06; F16C39/063; F16C32/00; F16C32/04; F16C32/0402; F16C32/0406; F16C32/0408; F16C32/041; F16C32/0417; F16C32/06; F16C32/0662; F16C32/0681; F16C32/0685; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C33/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254698A
Cited
US2311382A
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US2436939A
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US2560260A
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US2998999A
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US3134037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |