US PATENT SUBCLASS 264 / 633
.~.~ Producing bowl-like article

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

603  DF  OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM {30}
632  DF  .~ Producing hollow article (e.g., tube, etc.) {4}
633.~.~ Producing bowl-like article

DEFINITION

Classification: 264/633

Producing bowl-like article:

(under subclass 632) Process wherein a hollow concave nontubular, bowl-like article (e.g., hemispherical, etc.) is produced.