US3454031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure control system
Assignee: Ford Motor Co
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Filing: 1968-02-12
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Granted: 1969-07-08
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Expires: 1988-02-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Kaptur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:42
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F16; F16D; F16D25/00; F16D25/12; F16D25/14; F16D48/00; F16D48/02; F16D48/04; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/30525; F15B2211/3053; F15B2211/30535; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/515; F15B2211/5151; F15B2211/55; F15B2211/60; F15B2211/615; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; F15B2211/76; F16D2048/0209; F16D2048/0221; F16D2048/045; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2612; Y10T137/2615; Y10T137/2635; Y10T137/8593; Y10T137/87265; Y10T137/877; Y10T137/87708; Y10T137/87764; Y10T137/87772
Claims Analysis
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |