US PATENT SUBCLASS 29 / 897.15
.~.~ Grille making

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

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
897  DF  .~ Structural member making {4}
897.15.~.~ Grille making

DEFINITION

Classification: 29/897.15

Grille making:

(under subclass 897) Process wherein the manufactured structural member is a grating or screen.

(1) Note. A grille is generally used to protectively cover or shield an opening for fluid or a communication receiver, transmitter, or amplifier.