US3572216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid force applying device
Assignee: Enerpac Tool Group Corp
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Filing: 1969-04-23
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Granted: 1971-03-23
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Expires: 1989-04-23
Abstract
Abstract A WORK HOLDING CLAMP IN THE NATURE OF A SELF-CONTAINED HYDRAULIC CYLINDER-PISTON UNIT IN WHICH ONE OF THE FORCE APPLYING MEMBERS, FOR EXAMPLE THE PISTON OR RAM, IS ROTATABLE AND AXIALLY MOVABLE IN ITS FORCE-APPLYING STROKE.
Inventors
- 👤 Donald W Seesody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:51
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/063; B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B25; B25B; B25B5/00; B25B5/06; B25B5/061; B25B5/062; B23Q2703/00; B23Q2703/02; B23Q2703/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |