US PATENT SUBCLASS 260 / 998.18
MOLD OR MOLD COATING
Current as of:
June, 1999
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260 /
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CHEMISTRY OF CARBON COMPOUNDS
998.18
MOLD OR MOLD COATING
DEFINITION
Classification: 260/998.18
(under subclass 1) Product under Class 520 ... useful as a mold or in coating a mold. Many patents in this subclass are drawn to sand molds bonded with synthetic resin useful in the metal casting art.
