US PATENT SUBCLASS 65 / 293
.~.~ By threading means

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

286  DF  PREFORM RESHAPING MEANS {2}
292  DF  .~ Cylindrical preform {5}
293.~.~ By threading means

DEFINITION

Classification: 65/293

(under subclass 292) Apparatus in which the reshaping means includes means to form threads.