US PATENT SUBCLASS 239 / 71
WITH SIGNALS, INDICATORS, RECORDERS, METERS OR CHANGEABLE EXHIBITORS

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

71WITH SIGNALS, INDICATORS, RECORDERS, METERS OR CHANGEABLE EXHIBITORS {3}
72  DF  .~> Audible
73  DF  .~> Position or extent of motion indicator
74  DF  .~> With spray material quantity or flow indicating means (e.g., sight gauge)

DEFINITION

Classification: 239/71

(under the class definition) Apparatus comprising information yielding or relatively movable or changeable parts which give information, measure or totalize quantity, permit inspection to determine a condition in the system or indicate a condition or the extent of motion or position of the system in a system part.

(1) Note. A system part may cooperate with some graduated part to form the indicator or may be a flow indicating means or fluid quantity inspection device as a flow sight.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67+, for the subject matter of this subclass combined with selectively preset flow cut-off means.

SEE OR SEARCH CLASS

340, Communications: Electrical, 603+, for electrical automatic fluent material responsive indicating systems.