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


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

Internet Version by PATENTEC © 1999      Terms of Use



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.