Patent US2985458A successfully refreshed from Google Patents.
US2985458A
Expired / Lapsed
US
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Device for gripping and rotating a work piece
Assignee: BEAVER PIPE TOOLS Inc
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Filing: 1958-07-09
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Granted: 1961-05-23
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Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 Charles T Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1261; B23B31/1269; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17213; Y10T279/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1095304A
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US2479560A
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US2460254A
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US2613564A
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US2593706A
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US2627195A
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US2762630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |