Patent US3570835A successfully refreshed from Google Patents.
US3570835A
Expired / Lapsed
US
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Power operated clamping device
Assignee: Dover Corp
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Filing: 1968-10-08
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Granted: 1971-03-16
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Expires: 1988-10-08
Abstract
Abstract A POWER OPERATED CLAMPING DEVICE HAVING A MULTIPLE MOUNTING FACE BASE, A PIVOTALLY MOUNTED CLAMPING ARM CAM ACTUATED TO PROVIDE HIGH PRESSURE CLAMPING AND RAPID WIDE ANGLE OPENING, AND A LOST MOTION IMPACT PRODUCING CONNECTION FOR CLAMP RELEASING ACTUATION.
Inventors
- 👤 Alexander W Mcpherson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:26
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/08; B25B5/087; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B25B5/061; B25B5/064; B23Q2703/00; B23Q2703/02; B23Q2703/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936; Y10T74/1896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |