US PATENT SUBCLASS 493 / 923
.~.~ With opening means (e.g., tear strip, valve, etc.)

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}
923.~.~ With opening means (e.g., tear strip, valve, etc.)

DEFINITION

Classification: 493/923

With opening means (e.g., tear, strip, valve, etc.):

(under subclass 917) Operation involving construction of a receptacle having provision to allow access to the interior of the receptacle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

212+, for making a pliable container including assembling therewith an opening means.