US2838348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed anti-friction bearings
Assignee: General Electric Co
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Filing: 1956-04-17
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Granted: 1958-06-10
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Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Hamm Clarence Lockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:38
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/38; F16C33/3837; F16C33/3843; F16C33/66; F16C33/6637; F16C33/664; F16C33/6651; F16C33/6681; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2300/00; F16C2300/20; F16C2300/22
Claims Analysis
Total Claims: 0
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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) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |