US3451895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous sampling and analyzing system with liquid-vapor separator and flow measuring means
Assignee: Phillips Petroleum Co
•
Filing: 1967-01-23
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Granted: 1969-06-24
•
Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Paul U Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4227; B01D19/00; B01D19/0063; G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/22; G01N2001/2282; Y; Y10; Y10S; Y10S203/00; Y10S203/19; Y10S208/00; Y10S208/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2900334A
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US2965549A
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US3002818A
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US3096274A
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US3212997A
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US3259554A
Cited
US3336205A
Cited
US3359185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |