US2706467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic drive and control mechanism for machine tools
Assignee: AA Jones and Shipman Ltd
•
Filing: 1949-12-03
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Granted: 1955-04-19
•
Expires: 1969-12-03
Abstract
No abstract record available.
Inventors
- 👤 Houldsworth Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
F; F01; F01L; F01L23/00; B; B24; B24B; B24B47/00; B24B47/02; B24B47/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE342463C
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US813209A
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GB234124A
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US1690069A
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US1817180A
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US1943061A
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US1935119A
Cited
US2000805A
Cited
US2209418A
Cited
US2403519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |