US PATENT SUBCLASS 29 / 888.46
.~.~.~ With assembly or composite article making

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
888  DF  .~ Prime mover or fluid pump making {12}
888.4  DF  .~.~ Poppet or I.C. engine valve or valve seat making {6}
888.46.~.~.~ With assembly or composite article making

DEFINITION

Classification: 29/888.46

With assembly or composite article making:

(under subclass 888.4) Process wherein the manufactured article is (1) composed of a plurality of interrelated attached components or subcombination elements, plurality of interrelated attached components or subcombination elements some of which are associated or disassociated from the other components or elements during the manufacture or (2) a unitary structure composed of at least two different materials or compositions with each material or composition retaining its identity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

890.124, for a process of assembling a valve or making a composite valve other than an I.C. engine or poppet valve.