US2574352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut placing slotted-socket wrench
Assignee: Individual
•
Filing: 1947-09-17
•
Granted: 1951-11-06
•
Expires: 1967-09-17
Abstract
No abstract record available.
Inventors
- 👤 Roy W Senter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:37
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151635A
Cited
US1321776A
Cited
GB191201830A
Cited
US2396027A
Cited
US2357595A
Cited
US2405462A
Cited
US2461680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |