Patent US2946315A successfully refreshed from Google Patents.
US2946315A
Expired / Lapsed
US
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Angle drive attachment for air operated hand tool
Assignee: DOEDEN TOOL CORP
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Filing: 1957-02-28
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Granted: 1960-07-26
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Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Roland E Doeden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:49
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2155082A
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US2384399A
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US2570164A
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US2575640A
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US2604795A
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US2763060A
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US2715889A
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US2780966A
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US2698604A
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US2830560A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |