Cryogenic insulating structure
Patent 4044184 Issued on August 23, 1977. Estimated Expiration Date: 
August 23, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 23, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorsAssigneeApplicationNo. 05/612853 filed on 09/12/1975US Classes:428/113, Fibers220/560.15, Foam insulation220/62.19, Layer of fibrous or filamentary material427/426, Ingredients supplied separately428/298.1, Fibers are aligned substantially parallel428/310.5, With gradual property change within a component428/316.6, Plural void-containing components428/318.8Integrally formed skinExaminersPrimary: Van Balen, William J.Attorney, Agent or FirmForeign Application Priority Data1973-06-27 JAAbstractA cryogenic heat insulating structure comprises: a wall coated with a plurality of superposed rigid foam layers each of the layers having a skin and each layer containing fibers oriented parallel to the wall. | |
