US PATENT SUBCLASS 362 / 23
ILLUMINATED SCALE OR DIAL

Current as of: June, 1999
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362 /   HD   ILLUMINATION

23ILLUMINATED SCALE OR DIAL {5}
24  DF  .~> Telephone dial
25  DF  .~> Radiator water temperature meter
26  DF  .~> Edge illuminated modifier or light rod/pipe {1}
28  DF  .~> Illuminated through meter case
29  DF  .~> Internal light source {1}

DEFINITION

Classification: 362/23

(under the class definition) Subject matter combined with means, claimed or disclosed as bearing two or more markings corresponding to the same number of consecutive measurements of some variable other than merely the position, composition, or distribution of light from the illuminating structure of this class wherein the illuminating structure contributes to the illumination of the markings.

(1) Note. Generally, means for driving, operating or controlling indicator will exclude classification in this Class. For example, a movable pointer, clockwork mechanism, measuring means, condition responsive sensor or positions indicating sensor.

(2) Note. Combinations including specific structure of machinery or apparatus provided for in other classes, beyond recitations of structure necessary to set out the relationship of the illuminated scale, dial or markings, will generally be classified with that machinery or apparatus.

(3) Note. The variable of the definition above, could be just the position of a control knob. The mere disclosure of illuminating an unmarked panel, plate or knob is insufficient for classification herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5, for a photos:graphic illuminator with measuring or indicating means. See other subclasses directed to the basic illuminating structure of this class where means indicating the position, compositions or distribution of light may be claimed or disclosed.

SEE OR SEARCH CLASS 33, Geometrical Instruments,

241, for illuminated gun sights; subclasses 348+ for gravity or other force indicators with illuminating means.

40, Card, Picture, or Sign Exhibiting,

204, for illuminated license plates; subclasses 480 and 502 for illuminated changeable exhibitors; and subclasses 541+ for illuminated signs.

73, Measuring and Testing,

293, for a liquid level gauge with illuminating means; subclass 499 for a speed or acceleration measuring device with an illuminated reading device.

116, Signals and Indicators,

250, for illumination of an indicator and see search notes for other search areas.

177, Weighing Scales,

177+, for such scales with illumination.

250, Radiant Energy, 463.1, for self luminous dials, etc.

340, Communications: Electrical, see Notes above.

368, Horology: Time Measuring Systems or Devices,

67, for illuminated clocks with recited drive or clockwork mechanism; subclass 227 for clock dials, per se.