US3195613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuously discharging the contents of a pressurized vessel
Assignee: Phillips Petroleum Co
•
Filing: 1961-10-09
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Granted: 1965-07-20
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Harold M Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:27
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1812; B01J19/1837; B01J19/0053; B01J3/00; B01J3/02; B01J8/00; B01J8/0015; B01J8/003; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A METHOD FOR THE DISCHARGE OF A SOLIDS-FLUID SLURRY FROM A FIRST PRESSURE ZONE TO MAINTAIN SUBSTANTIAL CONSTANT PRESSURE THEREIN, SAID METHOD COMPRISING INTRODUCING SLURRY, AS REMOVED FROM SAID FIRST PRESSURE ZONE, INTO AN ELONGATED CONFINED ZONE, VAPORIZING SUBSTANTIALLY ALL THE LIQUID OF SAID SLURRY DURING FLOW THROUGH SAID ELONGATED CONFINED ZONE, AND PASSING SAID CONTENTS INTO A THIRD ZONE OPERATING AT A PRESSURE LESS THAN ABOUT HALF THAT OF SAID FIRST ZONE, THE PRESSURE DIFFERENTIAL BETWEEN SAID FIRST ZONE AND SAID THIRD ZONE AND THE SIZE OF SAID ELONGATED CONFINED ZONE BEING SUCH FOR THE AMOUNT AND CONDITION OF THE SLURRY THAT SONIC VELOCITY IS ATTAINED BY THE SLURRY FLOW-
Claim 2
Independent Claim
111 words
A METHOD FOR THE DISCHARGE OF A SOLIDS-FLUID SLURRY FROM A FIRST PRESSURE ZONE TO MAINTAIN SUBSTANTIAL CONSTANT PRESSURE THEREIN, SAID METHOD COMPRISING INTRODUCING SLURRY, AS REMOVED FROM SAID FIRST PRESSURE ZONE, INTO AN ELONGATED CONFINED ZONE, VAPORIZING SUBSTANTIALLY ALL THE LIQUID OF SAID SLURRY DURING FLOW THROUGH SAID ELONGATED CONFINED ZONE, AND PASSING SAID CONTENTS INTO A THIRD ZONE OPERATING AT A PRESSURE LESS THAN ABOUT HALF THAT OF SAID FIRST ZONE, THE PRESSURE DIFFERENTIAL BETWEEN SAID FIRST ZONE AND SAID THIRD ZONE AND THE SIZE OF SAID ELONGATED CONFINED ZONE BEING SUCH FOR THE AMOUNT AND CONDITION OF THE SLURRY THAT SONIC VELOCITY IS ATTAINED BY THE SLURRY FLOW-
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |