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US2859895A Expired / Lapsed US ⏱️ 0.0 years remaining

Insulating tank for cold boiling liquids

Assignee: Constock Liquid Methane Corp
•
Filing: 1955-04-06
•
Granted: 1958-11-11
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Expires: 1975-04-06
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Abstract

Abstract 789,755. Storing liquefied gases. CONSTOCK LIQUID METHANE CORPORATION. July 15, 1955 [April 6, 1955], No. 20628/55. Class 8(2). A liquefied gas storage vessel at substantially atmospheric pressure comprises an outer metal casing 1, Fig. 3, lined with means whereby a cushion or blanket of vapour is interposed between the liquid 12 and the casing wall. A plurality of spaced superposed louvres 9 of heat insulating material secured round the casing wall have skirts 10 which trap vapour in pockets 11. The louvres 9 may be lined with balsa wood or embedded in such blocks 16 as shown in Fig. 5. Alternatively the louvres are dispensed with and the casing lined with blocks of balsa wood glued together and having the grain running horizontally with the casing wall. The liquid seeps into the wood assisted by capillary attraction and is there vaporized before reaching the casing wall to provide the blanket of vapour.

Inventors

  • 👤 Beckwith Sterling

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 13:29
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/001; F17C3/00; F17C3/02; F17C3/025; F17C3/04; F17C3/06; F17C2201/00; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0354; F17C2203/0358; F17C2203/0375; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0658; F17C2203/066; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/04; F17C2227/044; F17C2260/00; F17C2260/03; F17C2260/031; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; F17C2270/0165; F17C2270/0168; F17C2270/0171; F17C2270/0173; Y; Y10; Y10S; Y10S220/00; Y10S220/901

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US644259A Cited
US2148109A Cited
US2663626A Cited
US2770951A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-11-10 1962-05-12 1962-11-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-11-10 1966-05-12 1966-11-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-11-10 1970-05-12 1970-11-11 $7700.00 Window Closed / Lapsed

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