US PATENT SUBCLASS 4 / 281
.~ Gravity controlled valve


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

Internet Version by PATENTEC © 1999      Terms of Use



4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

258  DF  SPITTOONS {14}
281.~ Gravity controlled valve


DEFINITION

Classification: 4/281

The valve governing the inlet to the spittoon is normally open; but if the spittoon is tipped over the valve will close.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284,