US PATENT SUBCLASS 521 / 907
NONURETHANE FLAMEPROOFED CELLULAR PRODUCT
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
907
NONURETHANE FLAMEPROOFED CELLULAR PRODUCT
DEFINITION
Classification: 521/907
NONURETHANE FLAMEPROOFED CELLULAR PRODUCT:
Subject matter involving a nonpolyurethane cellular product having specific flameproof properties.
