Patent US2460131A successfully refreshed from Google Patents.
US2460131A
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US
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Nut or bolt lock
Assignee: Individual
•
Filing: 1944-01-19
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Granted: 1949-01-25
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Expires: 1964-01-19
Abstract
No abstract record available.
Inventors
- 👤 John F Kendrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:18
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/12; F16B39/14; F16B39/22; F16B39/28; F16B39/38; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US505839A
Cited
US545342A
Cited
DE445509C
Cited
US2196637A
Cited
US2374241A
Cited
US2375325A
Cited
GB558414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |