Patent US6160481A successfully refreshed from Google Patents.
US2597516A
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Journal bearing
Assignee: Fafnir Bearing Co
•
Filing: 1948-08-28
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Granted: 1952-05-20
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Expires: 1968-08-28
Abstract
No abstract record available.
Inventors
- 👤 Noe Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:50
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/12; B61F15/16; B61F15/18; F; F16; F16C; F16C19/00; F16C19/49; F16C2326/00; F16C2326/10; F16C33/00; F16C33/30; F16C33/58; F16C33/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1921882A
Cited
US1921883A
Cited
US2133024A
Cited
US2176244A
Cited
US2404429A
Cited
US2438214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |