US PATENT SUBCLASS 493 / 377
.~ Including tear strip

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

374  DF  ASSEMBLING OR DISASSEMBLING OF DISTINCT MEMBERS {5}
377.~ Including tear strip

DEFINITION

Classification: 493/377

Including tear strip:

(under subclass 374) Method or apparatus wherein one of the workpieces is intended to serve to form a part of an impassable wall and is further intended to be ruptured to provide access through the wall or is further intended to serve to rupture the wall of another workpiece to which it is attached.