US1292707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut-lock.
Assignee: Individual
•
Filing: 1917-12-20
•
Granted: 1919-01-28
•
Expires: 1937-12-20
Abstract
No abstract record available.
Inventors
- 👤 Ellef S Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:40
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/04; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938; Y10S411/94; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959; Y10S411/997
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) | 1922-01-27 | 1922-07-29 | 1923-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-01-27 | 1926-07-29 | 1927-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-01-27 | 1930-07-29 | 1931-01-28 | $7700.00 | Window Closed / Lapsed |