US PATENT SUBCLASS 340 / 392.1
.~ Percussion-type sound producer (e.g., signal chimes or bells)

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

384.1  DF  AUDIBLE INDICATION {11}
392.1.~ Percussion-type sound producer (e.g., signal chimes or bells) {15}
392.2  DF  .~.~> Rotary actuator
393.1  DF  .~.~> Plural armatures
393.2  DF  .~.~> Battery operated
393.3  DF  .~.~> Pushbutton
393.4  DF  .~.~> Including timer
392.3  DF  .~.~> Volume control
401.1  DF  .~.~> Alternating current
398.1  DF  .~.~> Nonelectrical driving means (e.g., spring or weight) {1}
392.4  DF  .~.~> Tubular sound producer (e.g., signal chimes)
392.5  DF  .~.~> Resonator (e.g., signal chimes)
395.1  DF  .~.~> Suspended (e.g., locomotive bell)
397.1  DF  .~.~> Armature support {1}
397.3  DF  .~.~> Interrupter {1}
397.5  DF  .~.~> Polarized
396.1  DF  .~.~> Housing or mounting

DEFINITION

Classification: 340/392.1

Percussion-type sound producer (e.g., signal chimes or bells):

(under subclass 384.1) Subject matter having means to strike one element against another in order to produce the audible sounds.

SEE OR SEARCH THIS CLASS, SUBCLASS:

388.1, for this subject matter in which one of the elements is a diaphragm.

SEE OR SEARCH CLASS

84, Music,

402+, and 411+ for similar subject matter utilized in music.

116, Signals and Indicators,

60, for vehicle-energy actuated bells, subclasses 148+ for nonelectrical bells, and subclass 25 for nonelectrical periodic bells.