Patent US2457945A successfully refreshed from Google Patents.
US2457945A
Expired / Lapsed
US
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Self-locking nut means and the like
Assignee: Individual
•
Filing: 1944-03-02
•
Granted: 1949-01-04
•
Expires: 1964-03-02
Abstract
No abstract record available.
Inventors
- 👤 Soden Adolph F Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:48
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/04; F16B39/06; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595108A
Cited
US1158454A
Cited
FR556469A
Cited
US1822300A
Cited
US1804348A
Cited
GB372405A
Cited
US2026757A
Cited
GB490680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |