US PATENT SUBCLASS 250 / 353
.~.~ With beam deflector or focussing means


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

Internet Version by PATENTEC © 1999      Terms of Use



250 /   HD   RADIANT ENERGY

336.1  DF  INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
338.1  DF  .~ Infrared responsive {12}
353.~.~ With beam deflector or focussing means


DEFINITION

Classification: 250/353

(under subclass 338.1) Subject matter having means to change the path of the infrared radiation from its source to the signalling means or to cause the radiation to converge.