US2931410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut lock with thread portions deformed upon tightening of the nut
Assignee: Individual
•
Filing: 1956-12-21
•
Granted: 1960-04-05
•
Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Stoll Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:09
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/707; F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190702562A
Cited
US1734445A
Cited
US2440944A
Cited
US2452192A
Cited
US2495409A
Cited
US2679879A
Cited
US2546332A
Cited
US2592128A
Cited
US2592129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |