US3444877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluid amplifier controlled servovalve
Assignee: PepsiAmericas Inc
•
Filing: 1966-03-16
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Granted: 1969-05-20
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Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond D Atchley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:08
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/003; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/043; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124999A
Cited
US2989999A
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US3024805A
Cited
US3122165A
Cited
US3208448A
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US3304953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |