US PATENT SUBCLASS 521 / 903
CELLULAR POLYMER HAVING REDUCED SMOKE OR GAS GENERATION
Current as of:
June, 1999
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521 /
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SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
903
CELLULAR POLYMER HAVING REDUCED SMOKE OR GAS GENERATION
DEFINITION
Classification: 521/903
CELLULAR POLYMER HAVING REDUCED SMOKE OR GAS GENERATION:
Subject matter involving cellular products which are designed to have reduced smoke or gas generation upon burning.
