US2987003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pump system
Assignee: Deere and Co
•
Filing: 1958-01-08
•
Granted: 1961-06-06
•
Expires: 1978-01-08
Abstract
No abstract record available.
Inventors
- 👤 James H Kress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:53
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0426; F04B1/043; F04B1/0408; F04B1/053; F04B1/06; F04B49/00; F04B49/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009608A
Cited
US2064750A
Cited
US2094171A
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US2539277A
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US2577242A
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US2786424A
Cited
US2821144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |