US PATENT SUBCLASS 493 / 89
.~.~.~ Including structural reinforcement

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

51  DF  CONTAINER MAKING {2}
52  DF  .~ Rigid container (e.g., box, carton, cap, cup, etc.) {10}
84  DF  .~.~ Assembling of distinct members {12}
89.~.~.~ Including structural reinforcement

DEFINITION

Classification: 493/89

Including structural reinforcement:

(under subclass 84) Method or apparatus wherein one of the workpieces is intended to make the receptacle physically stronger.