US PATENT SUBCLASS 264 / 297.9
.~.~.~ Of primarily inorganic material (e.g., concrete or ceramic, etc.)

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

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
297.1  DF  .~ Forming plural articles {5}
297.8  DF  .~.~ Simultaneous formation of plural articles {1}
297.9.~.~.~ Of primarily inorganic material (e.g., concrete or ceramic, etc.)

DEFINITION

Classification: 264/297.9

Of primarily inorganic material (e.g., concrete or ceramic, etc.):

(under subclass 297.8) Processes in which the articles are composed of inorganic material.

(1) Note. This subclass provides for processes of making dishes and concrete panels.