US2431430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing and bearing surface
Assignee: Individual
•
Filing: 1939-12-12
•
Granted: 1947-11-25
•
Expires: 1959-12-12
Abstract
No abstract record available.
Inventors
- 👤 Shaw Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:04
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/24; F16C33/06; F16C33/14; F16C2220/00; F16C2220/40; F16C2220/44; F16C2220/60; F16C2223/00; F16C2223/30; F16C2223/42; F16C2223/44; F16C2223/60; F16C2223/70; F16C2223/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US138641A
Cited
US497210A
Cited
US597429A
Cited
US1603470A
Cited
US1637317A
Cited
US1743645A
Cited
US1941768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |