Patent US2375166A successfully refreshed from Google Patents.
US2375166A
Expired / Lapsed
US
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Seal bearing
Assignee: Fafnir Bearing Co
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Filing: 1941-03-05
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Granted: 1945-05-01
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Expires: 1961-03-05
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:30
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/80; F16C33/78; F16C33/784; F16C33/7843; F16C33/7846; F16C33/785; F16J; F16J15/00; F16J15/44; F16J15/447; F16J15/4476; F16C19/00; F16C19/02; F16C19/04; F16C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-04-30 | 1948-10-30 | 1949-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-30 | 1952-10-30 | 1953-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-30 | 1956-10-30 | 1957-05-01 | $7700.00 | Window Closed / Lapsed |