US PATENT SUBCLASS 340 / 815.76
.~.~.~ Lens type

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

815.4  DF  VISUAL INDICATION {18}
815.73  DF  .~ With lamp enclosed in transparent housing {3}
815.75  DF  .~.~ Light source modifier {1}
815.76.~.~.~ Lens type

DEFINITION

Classification: 340/815.76

Lens type:

(under subclass 815.75) Subject matter in which the transmissive enclosure comprising an optical device for focussing, converging, or diverging the light emitted from the lamp or the discharge device to obtain a desired light emitting characteristic.

SEE OR SEARCH THIS CLASS, SUBCLASS:

22+, for signal lens used as traffic lenses or vehicle indication.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

642+, for lenses, per se.