US PATENT SUBCLASS 29 / 888.03
.~.~ Valve lifter 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}
888.03.~.~ Valve lifter making

DEFINITION

Classification: 29/888.03

Valve lifter making:

(under subclass 888) Process wherein the manufactured article is (1) especially adapted for opening a device which regulates or controls the flow of fluid to or from a cylinder such as in an I.C. engine or is (2) a part especially adapted for (1) which is not elsewhere classified.