US PATENT SUBCLASS 493 / 919
.~.~ Having window

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}
919.~.~ Having window

DEFINITION

Classification: 493/919

Having window:

(under subclass 917) Operation involving construction of a receptacle having provision to allow visual inspection of the contents without opening the receptacle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

222, for making a pliable container including assembling a window member therewith.

905, for an art collection of patents relating to the construction of a rigid container having a window.