US2879140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid blending
Assignee: Phillips Petroleum Co
•
Filing: 1955-03-18
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Granted: 1959-03-24
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Francis W Karasek
- 👤 Robert J Loyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:26
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/74; G01N21/00; G01N21/17; G01N21/25; G01N21/27; G01N21/274; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T436/00; Y10T436/20; Y10T436/207497
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
222 words
FLUID BLENDING APPARATUS COMPRISING A FIRST SOURCE OF GAS, A FIRST CONDUIT CONNECTED AT ONE END TO SAID FIRST SOURCE OF GAS, A FIRST PRESSURE REGULATOR TO MAINTAIN A PREDETERMINED PRESSURE IN SAID FIRST CONDUIT ADJACENT SAID ONE END THEREOF, A CONTAINER HAVING A LIQUID THEREIN, A SECOND CONDUIT POSITIONED IN SAID CONTAINER SO THAT LIQUID AT LEAST PARTIALLY FILLS THE INTERIOR OF SAID SECOND CONDUIT, A THIRD CONDUIT CONNECTED BETWEEN SAID FIRST SOURCE OF GAS AND THE INTERIOR OF SAID CONTAINER ABOVE THE SURFACE OF LIQUID THEREIN, A SECOND PRESSURE REGULATOR TO MAINTAIN A PREDETERMINED PRESSURE IN SAID CONTAINER, A SECOND SOURCE OF GAS, A FOURTH CONDUIT CONNECTED AT ONE END TO SAID SECOND SOURCE OF GAS, A THIRD PRESSURE REGULATOR TO MAINTAIN A PREDETERMINED PRESSURE IN SAID FOURTH CONDUIT ADJACENT SAID ONE END THEREOF, A FIFTH CONDUIT, MEANS CONNECTED WITH SAID FIFTH CONDUIT FOR MAINTAINING A PREDETERMINED FLUID FLOW THERETHROUGH, AN ANALYZER TO DETERMINE THE PRESENCE OF GAS FROM SAID FIRST SOURCE, THE SECOND END OF SAID FIFTH CONDUIT BEING CONNECTED TO THE INLET OF SAID ANALYZER, MEANS FOR CONNECTING THE SECOND END OF SAID FIRST CONDUIT SELECTIVELY TO SAID SECOND CONDUIT AND TO THE FIRST END OF SAID FIFTH CONDUIT, AND MEANS FOR CONNECTING THE SECOND END OF SAID FOURTH CONDUIT TO THE FIRST END OF SAID FIFTH CONDUIT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |