Patent US2526976A successfully refreshed from Google Patents.
US2526976A
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Power-operated hand tool
Assignee: DUKE LANFRE M
•
Filing: 1946-07-12
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Granted: 1950-10-24
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Expires: 1966-07-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:11
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04; B23; B23B; B23B45/00; B23B45/02; B23D; B23D67/00; B23D67/12; B25; B25D; B25D11/00; B25D11/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5107; Y10T408/00; Y10T408/34; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18032; Y10T74/18056; Y10T74/18208; Y10T74/19; Y10T74/19023; Y10T74/19144; Y10T74/19642; Y10T74/19679; Y10T74/19684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1464570A
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US1412430A
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US1634623A
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US1898956A
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US2138862A
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US2220871A
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US2201190A
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US2268292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |