US2696083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control system
Assignee: Phillips Petroleum Co
•
Filing: 1950-12-04
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Granted: 1954-12-07
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Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Eddy William Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:41
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/0317; F17C2205/0323; F17C2205/0329; F17C2205/0335; F17C2205/0382; F17C2205/0385; F17C2205/0388; F17C2205/0394; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1804; Y10T137/2496; Y10T137/2514; Y10T137/2703; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/8811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1466412A
Cited
US1588275A
Cited
US1960831A
Cited
US2154777A
Cited
GB578515A
Cited
US2569554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |