US PATENT SUBCLASS 29 / 889.71
.~.~.~ Composite blade

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

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
889  DF  .~ Impeller making {7}
889.7  DF  .~.~ Blade making {2}
889.71.~.~.~ Composite blade

DEFINITION

Classification: 29/889.71

Composite blade:

(under subclass 889.7) Process wherein a blade is made of distinctly different and identifiable portions or materials.

SEE OR SEARCH CLASS

416, Fluid Reaction Surfaces (i.e., Impellers),

229+, for laminated, embedded member or encased material type blade structure.