US PATENT SUBCLASS 29 / 890.126
.~.~.~ With material shaping or cutting

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

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
890.12  DF  .~ Valve or choke making {5}
890.124  DF  .~.~ With assembly, disassembly or composite article making {3}
890.126.~.~.~ With material shaping or cutting {4}
890.127  DF  .~.~.~.~> Including molding or casting
890.128  DF  .~.~.~.~> Including machining or drilling
890.129  DF  .~.~.~.~> Including metallurgical bonding
890.13  DF  .~.~.~.~> Including metal deforming

DEFINITION

Classification: 29/890.126

With material shaping or cutting:

(under subclass 890.124) Process wherein the valve or choke is manufactured (1) utilizing a deforming, casting or molding operation or (2) employing a machining, drilling or severing step.

(1) Note. A coating step, per se, is not a material shaping for the purpose of this subclass.