US3386389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pumps or motors
Assignee: Hydraulic Drive AG
•
Filing: 1966-05-27
•
Granted: 1968-06-04
•
Expires: 1986-05-27
Abstract
No abstract record available.
Inventors
- 👤 Oswald H Thoma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:57
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B1/22; F04B1/2014; F04B1/2035; F04B1/2042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2273468A
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US2431686A
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US2577242A
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FR1343916A
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US3200762A
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US3166016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |