US2881819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut with coil spring locking means
Assignee: SCHOBESTA SA
•
Filing: 1956-05-28
•
Granted: 1959-04-14
•
Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Devaux Raymond Henri Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:39
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32; F16B39/02; F16B39/04; F16B39/24; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/941
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |