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3811239
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Patent Grant
3811239
References
Source
Patent Number
3,811,239
Date Filed
Not available
Date Issued
Tuesday, May 21, 1974
50 years ago
CPC
C04B35/62204 - using waste materials or refuse
A41D31/0038 - using layered materials
B31D1/06 - the articles being handles
E04B1/78 - Heat insulating elements
E04C2/36 - spaced apart by transversely-placed strip material
E04F13/0869 - having conduits for fluids
F16L59/06 - Arrangements using an air layer or vacuum
F16L59/08 - Means for preventing radiation
Y10T428/24322 - Composite web or sheet
US Classifications
052 - Static structures
096 - Gas separation: apparatus
428 - Stock material or miscellaneous articles
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