US PATENT SUBCLASS 493 / 918
.~.~ Expandable


Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

916  DF  PLIABLE CONTAINER {12}
917  DF  .~ Envelope {6}
918.~.~ Expandable


DEFINITION

Classification: 493/918

Expandable:

(under subclass 917) Operation involving construction of a receptacle with easement means to provide greater interior volume to the receptacle.