Patent US2500592A successfully refreshed from Google Patents.
US2500592A
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US
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Self-lubricating, self-aligning bearing
Assignee: HOWARD C WHITELEY
•
Filing: 1947-08-07
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Granted: 1950-03-14
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Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Robert L Whiteley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:11
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C23/00; F16C23/02; F16C23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1050422A
Cited
US1663254A
Cited
US1917502A
Cited
US1793874A
Cited
US1909430A
Cited
US1943631A
Cited
US2048763A
Cited
US2123872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |