US2407160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking bolt
Assignee: Individual
•
Filing: 1945-01-10
•
Granted: 1946-09-03
•
Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 David A Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/947; Y10S411/954
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-09-02 | 1950-03-04 | 1950-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-02 | 1954-03-04 | 1954-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-02 | 1958-03-04 | 1958-09-03 | $7700.00 | Window Closed / Lapsed |