US PATENT SUBCLASS 116 / 139
.~ Manually actuated air compressor

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

137 R  DF  HORNS, WHISTLES AND COMPRESSIONAL WAVE GENERATORS {6}
139.~ Manually actuated air compressor

DEFINITION

Classification: 116/139

(under subclass 137) Devices in which manually or pedally actuated air-compressors are used for sounding the horn or whistle, diaphragm-horns being excluded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39, for mechanically operated motion and direction indicators.

58, for vehicle energy actuated pneumatic signals.

70, for fluid pressure variation indicating alarms.

151, for pneumatically actuated bells.

216+, for pneumatic signals.