Patent US2817256A successfully refreshed from Google Patents.
US2817256A
Expired / Lapsed
US
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Pancake type flexible drive socket wrench
Assignee: Individual
•
Filing: 1956-07-27
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Granted: 1957-12-24
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Expires: 1976-07-27
Abstract
No abstract record available.
Inventors
- 👤 Malone Samuel Lee
- 👤 Osborne B Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:22
CPC Classifications
B; B25; B25B; B25B17/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1263435A
Cited
US2466456A
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US2532027A
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US2551821A
Cited
US2672065A
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US2678577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |