US2465048A
Expired / Lapsed
US
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Wrench head for tightening wing nuts
Assignee: WILLIAM E MCHUGH
•
Filing: 1944-10-19
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Granted: 1949-03-22
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Expires: 1964-10-19
Abstract
No abstract record available.
Inventors
- 👤 Norval L Wentling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:51
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/5091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |