US2639638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toggle-actuated carriage bolt wrench
Assignee: Individual
•
Filing: 1952-06-18
•
Granted: 1953-05-26
•
Expires: 1972-06-18
Abstract
No abstract record available.
Inventors
- 👤 Gould Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:45
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/12; B25B7/123; B25B7/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1489458A
Cited
US1631916A
Cited
US1823494A
Cited
US2519630A
Cited
US2563267A
Cited
US2599676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |