US PATENT SUBCLASS 264 / 525
.~.~.~ Including maintenance or production of internal sterility

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

500  DF  DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK {14}
523  DF  .~ Including application of internal fluid pressure to hollow finite length parison to expand same into conformity with female mold part {10}
524  DF  .~.~ Production of a sealed product or a filled mercantile container {1}
525.~.~.~ Including maintenance or production of internal sterility

DEFINITION

Classification: 264/525

Including maintenance or production of internal sterility:

(under subclass 524) Processes in which molding is carried out in such a manner as to produce an internally sterile article or to maintain a sterile condition in a preform being treated.