US2946144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control system
Assignee: Allis Chalmers Corp
•
Filing: 1957-05-28
•
Granted: 1960-07-26
•
Expires: 1977-05-28
Abstract
No abstract record available.
Inventors
- 👤 Reynold M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/657; E02F3/6409; E02F3/6436; E02F3/651; E02F3/656; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671; Y10T137/87169; Y10T137/87177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2167106A
Cited
US2215115A
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US2252763A
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US2377278A
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US2565850A
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US2608824A
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US2654998A
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US2775831A
Cited
US2800922A
Cited
US2831466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |