US PATENT SUBCLASS 29 / 888.025
.~.~.~ Vane type or other rotary, e.g., fan

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}
888  DF  .~ Prime mover or fluid pump making {12}
888.02  DF  .~.~ Fluid pump or compressor making {5}
888.025.~.~.~ Vane type or other rotary, e.g., fan

DEFINITION

Classification: 29/888.025

Vane type or other rotary, e.g., fan:

(under subclass 888.02) Process wherein the manufactured fluid pump or compressor is a displacement device that delivers a steady fluid flow of the action of two members in rotational contact, which device is not elsewhere classified.

(1) Note. Original placement in this subclass requires that the manufactured article be more than an impeller vane assembly.

SEE OR SEARCH THIS CLASS, SUBCLASS:

889+, for a method of making an impeller, per se.