US2927432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic positioning device
Assignee: International Business Machines Corp
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Filing: 1958-03-18
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Granted: 1960-03-08
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Expires: 1978-03-18
Abstract
No abstract record available.
Inventors
- 👤 Forrest C Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:20
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/13; B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/022; B23Q16/023; F15B15/00; F15B15/18; F15B7/00; F15B7/001; F15B7/003; F15B7/06; F15B7/08; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B2013/0414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |