US2677149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die structure for the manufacture of self-locking fastening devices
Assignee: Elastic Stop Nut Corp
•
Filing: 1949-08-11
•
Granted: 1954-05-04
•
Expires: 1969-08-11
Abstract
No abstract record available.
Inventors
- 👤 Charles A Fineran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:36
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14344; B29D; B29D1/00; F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US522792A
Cited
US837767A
Cited
US2159866A
Cited
GB504853A
Cited
GB496638A
Cited
US2286336A
Cited
US2485323A
Cited
US2421105A
Cited
US2409638A
Cited
US2407160A
Cited
US2520121A
Cited
US2568274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |