US PATENT SUBCLASS 374 / 131
.~.~.~.~ With radiation conducting element

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

Internet Version by PATENTEC © 1999      Terms of Use


374 /   HD   THERMAL MEASURING AND TESTING

100  DF  TEMPERATURE MEASUREMENT (E.G., THERMOMETER) {13}
120  DF  .~ In spaced noncontact relationship to specimen {3}
121  DF  .~.~ By thermally emitted radiation {11}
130  DF  .~.~.~ Optical system structure (e.g., lens) {1}
131.~.~.~.~ With radiation conducting element

DEFINITION

Classification: 374/131

With radiation conducting element:

(under subclass 130) Subject matter including a generally elongate element for conducting radiation from one end to the other within the confines of the outer surface of the elongate element.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

44, for similar subject matter using radiation limited to the visual spectrum.

385, Optical Waveguides, appropriate subclasses, for light conducting elements, in general.