Patent US2559960A successfully refreshed from Google Patents.
US2559960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking mechanism
Assignee: Individual
•
Filing: 1946-02-26
•
Granted: 1951-07-10
•
Expires: 1966-02-26
Abstract
No abstract record available.
Inventors
- 👤 Houplain Rene Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:39
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/08; F16D41/10; F16B; F16B1/00; F16B1/02; F16B1/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US403562A
Cited
US814301A
Cited
US1015861A
Cited
US1211550A
Cited
DE565023C
Cited
US1889295A
Cited
US2350156A
Cited
US2427103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |