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Patent US3380247A successfully refreshed from Google Patents.
US3380247A
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US
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Hydraulic arrangement including a piston pump with adjustment and reversible output
Assignee: Fried Krupp AG Hoesch Krupp
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Filing: 1966-05-23
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Granted: 1968-04-30
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Colmerauer Paul Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:56
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/044; F; F04; F04B; F04B9/00; F04B9/08; F04B9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2992836A
Cited
US2987310A
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US2938736A
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US3087743A
Cited
US3077345A
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GB948807A
Cited
FR1399788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |