US PATENT SUBCLASS 368 / 223
DISPLAYS OR DISPLAY DEVICE DETAILS

Current as of: June, 1999
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368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

223DISPLAYS OR DISPLAY DEVICE DETAILS {5}
224  DF  .~> With manual activation {1}
226  DF  .~> With luminous material
227  DF  .~> With auxiliary illumination for display
228  DF  .~> Dial or hand {5}
239  DF  .~> Optical {3}

DEFINITION

Classification: 368/223

DISPLAYS OR DISPLAY DEVICE DETAILS:

(under the class definition) Subject matter comprising indicator means associated with the indicator means used to convey or in conveying the time.

SEE OR SEARCH THIS CLASS, SUBCLASS:

243+, for timepiece-signalling means, per se.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

446+, for changing exhibitors.

116, Signals and Indicators,

200+, for indicators, per se. 345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

1+, for visual display systems with selective electrical control.

346, Recorders, appropriate subclasses for time measuring apparatus where the time-indicating means is a tracing, marking, or the like made by a recording instrument.