US2826464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock proof anti-friction bearing
Assignee: Individual
•
Filing: 1956-05-15
•
Granted: 1958-03-11
•
Expires: 1976-05-15
Abstract
No abstract record available.
Inventors
- 👤 Sr Elwin A Hawk
- 👤 Jr Elwin A Hawk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:16
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7886; F16C27/00; F16C27/06; F16C27/066; F16C33/30; F16C33/66; F16C33/6603; F16C33/6622; F16C35/00; F16C35/04; F16C35/042; F16C35/045; F16N; F16N19/00; F16N7/00; F16N7/36; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16N21/00; F16N21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2173250A
Cited
US2653063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |