US PATENT SUBCLASS 434 / 389
.~ Mechanical power source (e.g., engine, windmill, etc.)


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

Internet Version by PATENTEC © 1999      Terms of Use



434 /   HD   EDUCATION AND DEMONSTRATION

365  DF  MEANS FOR DEMONSTRATING APPARATUS, PRODUCT, OR SURFACE CONFIGURATION, OR FOR DISPLAYING EDUCATION MATERIAL OR STUDENT'S WORK {37}
389.~ Mechanical power source (e.g., engine, windmill, etc.)


DEFINITION

Classification: 434/389

Mechanical power source (e.g.., engine, windmill, etc.):

(under subclass 365) Subject matter relating to the structure or operation of mechanical means for producing or harnessing power.