US PATENT SUBCLASS 493 / 936
.~ Square bottom

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}
936.~ Square bottom

DEFINITION

Classification: 493/936

Square bottom:

(under subclass 916) Operation involving the construction of a receptacle that when erected has a rectangular bottom and when folded has gussets along the sides so that the outer limit of the side wall is aligned with the outer limit of the bottom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

218, for making a square bottom bag including assembling the bottom therewith.