Patent US3019937A successfully refreshed from Google Patents.
US3019937A
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Insulated tank for storage and transportation of low boiling liquefied gas
Assignee: Conch International Methane Ltd
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Filing: 1957-10-25
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Granted: 1962-02-06
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Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:44
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/04; F17C3/06; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0157; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/0316; F17C2203/0345; F17C2203/0354; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2203/0646; F17C2203/0648; F17C2203/068; F17C2203/0682; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0338; F17C2209/00; F17C2209/22; F17C2209/221; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1755176A
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US1918335A
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US1971308A
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US2177369A
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US2232366A
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US2321777A
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US2676773A
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US2889953A
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US2859895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |