Patent US3017057A successfully refreshed from Google Patents.
US3017057A
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US
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Liquid flow control system
Assignee: Phillips Petroleum Co
•
Filing: 1956-08-03
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Granted: 1962-01-16
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Expires: 1976-08-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:36
CPC Classifications
A; A01; A01M; A01M17/00; A01M17/002; F; F16; F16K; F16K31/00; F16K31/44; F16K31/56; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2622; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/6892; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021271A
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US1984851A
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US2077257A
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US2116605A
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US2302553A
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US2402355A
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US2696785A
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US2754289A
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US2757044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |