US3210953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volatile liquid or liquefied gas storage, refrigeration, and unloading process and system
Assignee: Phillips Petroleum Co
•
Filing: 1963-02-21
•
Granted: 1965-10-12
•
Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:54
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F17C5/00; F17C5/02; F17C5/04; F17C7/00; F17C7/02; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0338; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/061; F17C2250/0626
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A SYSTEM FOR STORING LIQUEFIED NORMALLY-GASEOUS MATERIAL, COMPRISING A MIXTURE OF GASES, IN A REFRIGERATED CONDITION AT A TEMPERATURE SUBSTANTIALLY BELOW ATMOSPHERIC TEMPERATURE, AND THEREBY AT A SUBSTANTIALLY REDUCED PRESSURE, COMPRISING IN COMBINATION A STORAGE TANK HAVING AN UPPER VAPOR WITHDRAWAL LINE, A COMPRESSOR HAVING AN INLET CONNECTED TO SAID VAPOR WITHDRAWAL LINE AND AN OUTLET CONNECTED WITH A CONDENSER, AND A RETURN LINE CONNECTING SAID CONDENSER WITH SAID TANK, THE IMPROVEMENT COMPRISING A VENTURI SLEEVE WITH ITS AXIS SUBSTANTIALLY HORIZONTAL DISPOSED IN SAID TANK BELOW THE NORMAL LOADED LIQUID LEVEL, AND WITH THE DISCHARGE END OF SAID RETURN LINE DISPOSED TO DISCHARGE LIQUID AND REMAINING GASES FROM SAID CONDSER AXIALLY INTO SAID VENTURI SLEEVE.
Claim 2
Dependent Claim
116 words
IN A SYSTEM FOR STORING LIQUEFIED NORMALLY-GASEOUS MATERIAL, COMPRISING A MIXTURE OF GASES, IN A REFRIGERATED CONDITION AT A TEMPERATURE SUBSTANTIALLY BELOW ATMOSPHERIC TEMPERATURE, AND THEREBY AT A SUBSTANTIALLY REDUCED PRESSURE, COMPRISING IN COMBINATION A STORAGE TANK HAVING AN UPPER VAPOR WITHDRAWAL LINE, A COMPRESSOR HAVING AN INLET CONNECTED TO SAID VAPOR WITHDRAWAL LINE AND AN OUTLET CONNECTED WITH A CONDENSER, AND A RETURN LINE CONNECTING SAID CONDENSER WITH SAID TANK, THE IMPROVEMENT COMPRISING A VENTURI SLEEVE WITH ITS AXIS SUBSTANTIALLY HORIZONTAL DISPOSED IN SAID TANK BELOW THE NORMAL LOADED LIQUID LEVEL, AND WITH THE DISCHARGE END OF SAID RETURN LINE DISPOSED TO DISCHARGE LIQUID AND REMAINING GASES FROM SAID CONDSER AXIALLY INTO SAID VENTURI SLEEVE.
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |