US2846910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrench including internally threaded split ring
Assignee: SPRING LOAD Manufacturing CORP
•
Filing: 1955-04-28
•
Granted: 1958-08-12
•
Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Chauncey T Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:28
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/52
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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |