Patent US2535689A successfully refreshed from Google Patents.
US2535689A
Expired / Lapsed
US
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Lubricating arrangement for highspeed shafts
Assignee: General Electric Co
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Filing: 1948-05-27
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Granted: 1950-12-26
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Expires: 1968-05-27
Abstract
No abstract record available.
Inventors
- 👤 Kenton D Mcmahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:05
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/36; F01; F01D; F01D25/00; F01D25/18; F01M; F01M5/00; F01M2005/008; F16N13/00; F16N2013/006; F16N21/00; F16N2210/00; F16N2210/02; F16N39/00; F16N39/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2457999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |