US2725890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power control system
Assignee: Borg Warner Corp
•
Filing: 1950-03-22
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Granted: 1955-12-06
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Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 John A Kanuch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:13
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/0422; Y; Y10; Y10S; Y10S74/00; Y10S74/02; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2612; Y10T137/2615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927700A
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US2075917A
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US2225082A
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US2243364A
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US2426411A
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US2438389A
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US2392421A
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US2527943A
Cited
US2592353A
Cited
US2448532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |