US2536172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet wrench for turnbuckles
Assignee: Individual
•
Filing: 1944-10-26
•
Granted: 1951-01-02
•
Expires: 1964-10-26
Abstract
No abstract record available.
Inventors
- 👤 William J Halperin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:52
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25B13/463; B25B13/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US341986A
Cited
US493273A
Cited
US1314964A
Cited
US645265A
Cited
US1201863A
Cited
US1185160A
Cited
US1213583A
Cited
US1911429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |