Patent US2967743A successfully refreshed from Google Patents.
US2967743A
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Anti-wrap bearing seal
Assignee: Fafnir Bearing Co
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Filing: 1957-01-03
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Granted: 1961-01-10
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Expires: 1977-01-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph S Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:55
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7816; F16C33/783; F16C33/784; F16C33/7843; F16C33/7853; F16C33/7856; F16C33/7886; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA514842A
Cited
US1808798A
Cited
US1930586A
Cited
US1888215A
Cited
US1917988A
Cited
US2054582A
Cited
US2114954A
Cited
GB526125A
Cited
US2643164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |