US PATENT SUBCLASS 359 / 361
.~ Having ultraviolet absorbing or shielding property

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

350  DF  HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY {8}
361.~ Having ultraviolet absorbing or shielding property

DEFINITION

Classification: 359/361

Having ultraviolet absorbing or shielding property:

(under subclass 350) Subject matter wherein light in the ultraviolet portion of the spectrum is blocked or otherwise filtered.

SEE OR SEARCH THIS CLASS, SUBCLASS:

359+, for a multilayer ultraviolet filter.