US3136135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shipping liquefied gases
Assignee: Shell USA Inc
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Filing: 1961-12-14
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Granted: 1964-06-09
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Expires: 1981-12-14
Abstract
No abstract record available.
Inventors
- 👤 Rigby Richard
- 👤 Jackson Robert Glover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:44
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F17C13/126; F17C2201/00; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/03; F17C2203/0304; F17C2203/0329; F17C2203/0354; F17C2203/0362; F17C2203/037; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
METHOD OF STORING A LOW TEMPERATURE LIQUID COMPRISING: PLACING SAID LOW TEMPERATURE LIQUID IN A HEAT INSULATED STORAGE TANK; MAINTAINING AOUT SAID INSULATED STORAGE TANK A POROUS FILLER MATEIAL CONTAINING A FLUID HAVING A FREEZING POINT BELOW AMBIENT TEMPERATURE AND ABOVE THE TEMPERATURE OF THE STORED LIQUID; AND, CONTINUOUSLY CIRCULATING SAID FLUID THROUGH SAID POROUS LINING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |