US2872256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust bearing
Assignee: Individual
•
Filing: 1955-02-24
•
Granted: 1959-02-03
•
Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 John B Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C17/00; F16C17/04; F16C2208/00; F16C2208/20; F16C2208/60; F16C2208/72; F16C2208/76; F16C2208/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA501339A
Cited
US1120344A
Cited
US1944782A
Cited
US2226180A
Cited
US2272128A
Cited
US2675283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |