US2528430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locked nut unlocking socket wrench
Assignee: Individual
•
Filing: 1944-09-23
•
Granted: 1950-10-31
•
Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 Orrin D Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:21
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/488; B25B13/02; B25B13/06; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/941
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US669608A
Cited
US783088A
Cited
US1143127A
Cited
US1480811A
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US1708147A
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US1925714A
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US2181678A
Cited
US2338024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |