US PATENT SUBCLASS 264 / 629
.~ Producing article having plural hollow channels

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}
629.~ Producing article having plural hollow channels {1}
630  DF  .~.~> Producing honeycomb shape {1}

DEFINITION

Classification: 264/629

Producing article having plural hollow channels:

(under subclass 603) Process wherein the article produced has plural hollow macrostructural channels.

SEE OR SEARCH THIS CLASS, SUBCLASS:

610, for simultaneously burning, vaporizing, or melting of embedded element or core to form nonrandom void.