US PATENT SUBCLASS 340 / 392.4
.~.~ Tubular sound producer (e.g., signal chimes)

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

384.1  DF  AUDIBLE INDICATION {11}
392.1  DF  .~ Percussion-type sound producer (e.g., signal chimes or bells) {15}
392.4.~.~ Tubular sound producer (e.g., signal chimes)

DEFINITION

Classification: 340/392.4

Tubular sound producer (e.g., signal chimes):

(under subclass 392.1) Subject matter wherein the striking means hits a cylindrical body for producing the audible sounds.