US3428063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid transfer valve having float control and acceleration responsive pilot valve
Assignee: Whittaker Corp
•
Filing: 1966-10-12
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Granted: 1969-02-18
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Expires: 1986-10-12
Abstract
No abstract record available.
Inventors
- 👤 Manuel Plotkin
- 👤 Malcolm Mcqueen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:29
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/132; G05D7/00; G05D7/005; G05D7/01; G05D7/0126; G05D7/0133; G05D7/014; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0923; Y10T137/2931; Y10T137/3115; Y10T137/7287; Y10T137/7358; Y10T137/7439
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1124564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |