US2764432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing seal
Assignee: Fafnir Bearing Co
•
Filing: 1952-06-04
•
Granted: 1956-09-25
•
Expires: 1972-06-04
Abstract
No abstract record available.
Inventors
- 👤 Leister Fayette
- 👤 Russell A Bieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:29
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/784; F16C33/7843; F16C33/7853; F16C33/7856; F16C33/7816; F16C33/783; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB508640A
Cited
US2273380A
Cited
US2276225A
Cited
US2281010A
Cited
US2336913A
Cited
US2566448A
Cited
US2467049A
Cited
FR978288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |