US3038449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control system
Assignee: General Dynamics Corp
•
Filing: 1959-06-03
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Granted: 1962-06-12
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Expires: 1979-06-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy E Murphy
- 👤 Weil John Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:06
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/042; F15B11/0426; F15B21/00; F15B21/08; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/30565; F15B2211/32; F15B2211/327; F15B2211/35; F15B2211/351; F15B2211/40; F15B2211/405; F15B2211/40576; F15B2211/40592; F15B2211/42; F15B2211/426; F15B2211/60; F15B2211/63; F15B2211/6303; F15B2211/6336; F15B2211/665; F15B2211/6654; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87113; Y10T137/87169; Y10T137/87193; Y10T137/87209; Y10T137/87249; Y10T137/87265; Y10T137/87298; Y10T137/87306; Y10T137/87314
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2229903A
Cited
US2413584A
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US2437109A
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US2627280A
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US2777285A
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US2916205A
Cited
US2999482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |