US PATENT SUBCLASS 53 / 433
.~.~.~ Receptacle forming

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

396  DF  METHODS {22}
428  DF  .~ With contents treating {7}
432  DF  .~.~ Vacuum or gas treating {2}
433.~.~.~ Receptacle forming

DEFINITION

Classification: 53/433

Receptacle forming:

(under subclass 432) Methods including the step of fabricating a cover into contents-retaining form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

427, for methods of skin packaging.

452+, for methods for forming or partially forming receptacles and subsequent filling thereof.

511, for apparatus for forming a receptacle before or during vacuum or gas treatment.