Patent US2437426A successfully refreshed from Google Patents.
US2437426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool handle fastening
Assignee: Individual
•
Filing: 1947-04-18
•
Granted: 1948-03-09
•
Expires: 1967-04-18
Abstract
No abstract record available.
Inventors
- 👤 George R Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:35
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/02; B25G3/12; B25G3/28; Y; Y10; Y10T; Y10T403/00; Y10T403/46
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) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |