US2938415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A pin-and-slot, angle-drive wrench
Assignee: Individual
•
Filing: 1958-05-14
•
Granted: 1960-05-31
•
Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Kostka Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:03
CPC Classifications
B; B25; B25B; B25B17/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US719645A
Cited
US1416271A
Cited
US1494200A
Cited
FR635153A
Cited
US1982768A
Cited
US2284871A
Cited
US2316243A
Cited
US2570706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |