Patent US3074662A successfully refreshed from Google Patents.
Patent US2570863A successfully refreshed from Google Patents.
US2570863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock nut
Assignee: MacLean Fogg Lock Nut Co
•
Filing: 1945-10-12
•
Granted: 1951-10-09
•
Expires: 1965-10-12
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:34
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/284; F16B39/286; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/937; Y10S411/955; Y10S411/956; Y10S411/96
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US168597A
Cited
GB190307767A
Cited
US1464591A
Cited
GB280273A
Cited
GB284407A
Cited
US2003591A
Cited
US2495409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |