US PATENT SUBCLASS 493 / 350
.~.~.~ And securing by interfitting

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

340  DF  WITH CUTTING, BREAKING, TEARING, OR ABRADING {9}
343  DF  .~ Including assembling or disassembling of distinct members {1}
344  DF  .~.~ Comprising bringing two members together {3}
350.~.~.~ And securing by interfitting {1}
351  DF  .~.~.~.~> Work penetrating member

DEFINITION

Classification: 493/350

And securing by interfitting:

(under subclass 344) Method or apparatus wherein fastening is accomplished by positioning a portion of a workpiece under another portion of a workpiece to restrict movement thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

390, for interfitting to secure distinct workpieces, generally.