US PATENT SUBCLASS 29 / 889.7
.~.~ Blade making


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
889  DF  .~ Impeller making {7}
889.7.~.~ Blade making {2}
889.71  DF  .~.~.~> Composite blade
889.72  DF  .~.~.~> Hollow blade {1}


DEFINITION

Classification: 29/889.7

Blade making:

(under subclass 889) Process of manufacturing the individual fluid flow interacting members utilized in an impeller device.

SEE OR SEARCH CLASS

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

223+, for specific blade structure.