US2969045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spool-type valve for use in hydraulic systems
Assignee: ACF Industries Inc
•
Filing: 1959-02-26
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Granted: 1961-01-24
•
Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Clar Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:34
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/044; F15B13/0401; F15B13/0402; F15B13/0405; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8667; Y10T137/86678; Y10T137/86694; Y10T137/8671; Y10T137/86879; Y10T137/86887
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE278814C
Cited
US2152084A
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US2503827A
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US2556746A
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US2654392A
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US2634086A
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US2624585A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |