US PATENT SUBCLASS 96 / FOR 171
.~ Moisture sensitive (55/275)

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

Internet Version by PATENTEC © 1999      Terms of Use


96 /   HD   GAS SEPARATION: APPARATUS

FOR 170  DF  WITH SIGNALS AND INDICATORS (E.G., INSPECTION MEANS) (55/274) {1}
FOR 171.~ Moisture sensitive (55/275)

DEFINITION

Classification: 96/FOR.171

Foreign art collection including apparatus in which the information is caused to be given by a chemical or electrical change depending on the presence or absence of water or water vapor.