US PATENT SUBCLASS 264 / 492
.~ Infrared radiation

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

405  DF  DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO WORK (E.G., ELECTROMAGNETIC WAVE, PARTICULATE, MAGNETIC, INDUCTION HEAT, SONIC, ELECTROSTATIC ENERGY, ETC.) {26}
492.~ Infrared radiation {1}
493  DF  .~.~> Composite work-piece

DEFINITION

Classification: 264/492

Infrared radiation:

(under subclass 405) Processes wherein the energy applied is considered to have a frequency range with wavelengths longer than those of visible light and shorter than those of radio waves.

(1) Note. Wave energy measured using the electromagnetic

spectrum, having a portion which is visible to the eye, lying between wavelengths of 750 nm (0.75 micrometers) and about 1 mm (1000 micrometers) are properly classified here as infrared.