US PATENT SUBCLASS 4 / 222.1
.~ With screen

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

222  DF  DISINFECTION {11}
222.1.~ With screen

DEFINITION

Classification: 4/222.1

With screen:

(under subclass 222) Subject matter including means to strain material from a drain outlet.