US PATENT SUBCLASS 200 / 61.21
.~.~ Fluent solid bin or hopper


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

Internet Version by PATENTEC © 1999      Terms of Use



200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

52 R  DF  SPECIAL APPLICATION {25}
61.2  DF  .~ Container contents level responsive {1}
61.21.~.~ Fluent solid bin or hopper


DEFINITION

Classification: 200/61.21

(under subclass 61.2) Devices in which the said element responds to the volume within the said receptacle of particulate nonfluid material.