Patent US2423918A successfully refreshed from Google Patents.
US2423918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut or bolt lock
Assignee: PALNUT Co
•
Filing: 1944-11-27
•
Granted: 1947-07-15
•
Expires: 1964-11-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Wohlhieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:50
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/10; F16B39/101; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974; Y10S411/979; Y10S411/984; Y10S411/985
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US293295A
Cited
US822989A
Cited
US973470A
Cited
US1125545A
Cited
US1232024A
Cited
US1367985A
Cited
US1836949A
Cited
US2132825A
Cited
US2359555A
Cited
US2385777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |