US PATENT SUBCLASS 425 / 428
.~.~ Including tamper

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

425  DF  FEMALE MOLD INCLUDING TAMPING MEANS OR MEANS UTILIZING MOLD MOTION TO DISTRIBUTE OR COMPACT STOCK THEREIN {7}
426  DF  .~ Relatively moving female type shaping member and internal (e.g., trowel, etc.)shaping member {2}
428.~.~ Including tamper

DEFINITION

Classification: 425/428

(under subclass 426) Apparatus including a bar type element movably mounted to poke into the fluent stock to eliminate voids (e.g.., air pockets, etc..) therefrom.