US3267685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container for storing liquids at low temperatures
Assignee: ConocoPhillips Co
•
Filing: 1965-03-03
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Granted: 1966-08-23
•
Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Carl E Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:16
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/022; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0119; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0345; F17C2203/0354; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0332; F17C2205/0335; F17C2221/00; F17C2221/01; F17C2221/014; F17C2221/016; F17C2221/017; F17C2221/03; F17C2221/032; F17C2221/033; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/012; F17C2260/03; F17C2260/035; F17C2260/036; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10S220/918; Y10S220/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A CONTAINER FOR STORING LIQUIDS AT LOW TEMPERATURES COMPRISING: A RIGID OUTER SHELL; THERMALLY INSULATING MATERIAL LINING SAID OUTER SHELL; A PLURALITY OF LIQUID IMPERMEABLE MEMBRANES LINING SAID THERMALLY INSULATING MATERIAL; AND A FROZEN SEAL STRUCTURE BETWEEN SAID LIQUID IMPERMEABLE MEMBRANES AND PREVENTING FLUID FLOW BETWEEN SAID MEMBRANES, SAID SEAL STRUCTURE INCLUDING A SEALANT MATERIAL SEALINGLY ENGAGING PORTIONS OF SAID MEMBRANES AND HAVING A MELTING POINT BELOW ABOUT 25* C. AND ABOVE THE TEMPERATURE AT WHICH SAID LIQUIDS ARE TO BE STORED, AND TROUGH MEANS FOR RETAINING SAID SEALANT MATERIAL IN A SUBSTANTIALLY HORIZONTAL PLANE WHEREBY SAID SEALANT MATERIAL CAN BE POSITIONED FOR SEALING ENGAGEMENT WITH SAID PORTIONS OF THE MEMBRANES BY POURING THE SEALANT MATERIAL INTO TROUGH MEANS IN LIQUID FORM.
Claim 2
Dependent Claim
122 words
A CONTAINER FOR STORING LIQUIDS AT LOW TEMPERATURES COMPRISING: A RIGID OUTER SHELL; THERMALLY INSULATING MATERIAL LINING SAID OUTER SHELL; A PLURALITY OF LIQUID IMPERMEABLE MEMBRANES LINING SAID THERMALLY INSULATING MATERIAL; AND A FROZEN SEAL STRUCTURE BETWEEN SAID LIQUID IMPERMEABLE MEMBRANES AND PREVENTING FLUID FLOW BETWEEN SAID MEMBRANES, SAID SEAL STRUCTURE INCLUDING A SEALANT MATERIAL SEALINGLY ENGAGING PORTIONS OF SAID MEMBRANES AND HAVING A MELTING POINT BELOW ABOUT 25* C. AND ABOVE THE TEMPERATURE AT WHICH SAID LIQUIDS ARE TO BE STORED, AND TROUGH MEANS FOR RETAINING SAID SEALANT MATERIAL IN A SUBSTANTIALLY HORIZONTAL PLANE WHEREBY SAID SEALANT MATERIAL CAN BE POSITIONED FOR SEALING ENGAGEMENT WITH SAID PORTIONS OF THE MEMBRANES BY POURING THE SEALANT MATERIAL INTO TROUGH MEANS IN LIQUID FORM.
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |