US PATENT SUBCLASS 137 / 552
.~ Plural

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

551  DF  WITH INDICATOR, REGISTER, RECORDER, ALARM OR INSPECTION MEANS {6}
552.~ Plural {1}
552.5  DF  .~.~> Unobvious - "combination lock" type

DEFINITION

Classification: 137/552

(under subclass 551) Apparatus comprising more than one indicator, register, recorder, alarm or inspection means or more than one of the beforementioned types of subcombinations.

SEE OR SEARCH CLASS

222, Dispensing,

25+, for plural indicators, etc., in dispensers.