Patent US2972504A successfully refreshed from Google Patents.
US2972504A
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US
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Bearing thrust loader and seal
Assignee: Timken Co
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Filing: 1957-07-22
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Granted: 1961-02-21
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Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 John B Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:34
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/723; F16C25/00; F16C25/06; F16C25/08; F16C33/76; F16J; F16J15/00; F16J15/46; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364
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) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |