Patent US2660080A successfully refreshed from Google Patents.
US2660080A
Expired / Lapsed
US
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Internal wrench with fastener retention means
Assignee: Kent Moore Organization Inc
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Filing: 1950-06-28
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Granted: 1953-11-24
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Expires: 1970-06-28
Abstract
No abstract record available.
Inventors
- 👤 Kam William G De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/12; B25B15/00; B25B15/001; B25B15/004; B25B15/008; Y; Y10; Y10S; Y10S7/00; Y10S7/901; Y10S81/00; Y10S81/90
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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |