US PATENT SUBCLASS 362 / 293
.~ Including selected wavelength modifier (e.g., filter)


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



362 /   HD   ILLUMINATION

257  DF  LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER {18}
293.~ Including selected wavelength modifier (e.g., filter)


DEFINITION

Classification: 362/293

(under subclass 257) Subject matter wherein the modifier has different effects on radiation of different wavelengths, as for example, absorbing some and transmitting others or transmitting some and reflecting others.