Patent US2538664A successfully refreshed from Google Patents.
US2538664A
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Method and apparatus for shipping and storing liquefied gases
Assignee: Phillips Petroleum Co
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Filing: 1946-05-24
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Granted: 1951-01-16
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Expires: 1966-05-24
Abstract
No abstract record available.
Inventors
- 👤 George R Benz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:05
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2203/00; F17C2203/06; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0332; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047; F17C2225/00; F17C2225/04; F17C2225/042; F17C2225/046; F17C2225/047; F17C2227/00; F17C2227/03; F17C2227/0337; F17C2227/0341; F17C2227/0355; F17C2227/0367; F17C2227/0369; F17C2227/0374; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0626; F17C2250/0636; F17C2265/00; F17C2265/04; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6443; Y10T137/6552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN IMPROVED METHOD FOR COOLING A CONTAINED BODY OF LIQUEFIED GAS NORMALLY VOLATILE UNDER ATMOSPHERIC TEMPERATURE AND PRESSURE WHICH INCLUDES, CONDUCTING THE PRESSURE VAPORS RELEASED FROM THE CONTAINED BODY OF LIQUEFIED GAS INTO INDIRECT HEAT INTERCHANGE RELATIONSHIP WITH THE CONTAINED LIQUEFIED GAS BODY UNTER EXPANSION CONDITIONS TO EFFECT COOLING OF THE CONTAINED LIQUE-
Claim 2
Dependent Claim
53 words
AN IMPROVED METHOD FOR COOLING A CONTAINED BODY OF LIQUEFIED GAS NORMALLY VOLATILE UNDER ATMOSPHERIC TEMPERATURE AND PRESSURE WHICH INCLUDES, CONDUCTING THE PRESSURE VAPORS RELEASED FROM THE CONTAINED BODY OF LIQUEFIED GAS INTO INDIRECT HEAT INTERCHANGE RELATIONSHIP WITH THE CONTAINED LIQUEFIED GAS BODY UNTER EXPANSION CONDITIONS TO EFFECT COOLING OF THE CONTAINED LIQUE-
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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) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |