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2271498
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Information
Patent Grant
2271498
References
Source
Patent Number
2,271,498
Date Filed
Not available
Date Issued
Tuesday, January 27, 1942
82 years ago
CPC
B29C44/3488 - Vulcanizing the material before foaming
B29K2105/04 - cellular or porous
US Classifications
521 - Synthetic resins or natural rubbers
264 - Plastic and nonmetallic article shaping or treating: processes
524 - Synthetic resins or natural rubbers
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