US2831466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure system with recirculating circuit
Assignee: Deere and Co
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Filing: 1955-03-28
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Granted: 1958-04-22
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Harold M Stueland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:10
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405; E02F3/3411; E02F9/00; E02F9/20; E02F9/22; E02F9/2221
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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |