US PATENT SUBCLASS 493 / 87
.~.~.~ Including discharge assist means (e.g., valve, pour spout, 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

51  DF  CONTAINER MAKING {2}
52  DF  .~ Rigid container (e.g., box, carton, cap, cup, etc.) {10}
84  DF  .~.~ Assembling of distinct members {12}
87.~.~.~ Including discharge assist means (e.g., valve, pour spout, etc.)

DEFINITION

Classification: 493/87

Applying discharge assist means (e.g., valve, pour spout, etc.):

(under subclass 84) Method or apparatus wherein one of the workpieces is intended to ultimately function in the removal

of contents from the receptacle by directing or permitting movement of the contents.