US2815253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing liner
Assignee: Nylacore Corp
•
Filing: 1954-01-15
•
Granted: 1957-12-03
•
Expires: 1974-01-15
Abstract
No abstract record available.
Inventors
- 👤 John D Spriggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/208; F16C2226/00; F16C2226/30; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1494099A
Cited
US1512190A
Cited
US1923514A
Cited
US1959254A
Cited
US2067034A
Cited
US2276143A
Cited
US2246092A
Cited
US2400091A
Cited
US2459598A
Cited
US2639198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |