US PATENT SUBCLASS 359 / 488
.~.~.~ With particular medium

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

Internet Version by PATENTEC © 1999      Terms of Use


359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

483  DF  POLARIZATION WITHOUT MODULATION {2}
485  DF  .~ Light polarization without any external input {8}
487  DF  .~.~ By reflection or refraction (e.g., Brewster angle) {1}
488.~.~.~ With particular medium

DEFINITION

Classification: 359/488

With particular medium:

(under subclass 487) Subject matter wherein details of the reflecting or refracting medium are recited (e.g., physical composition, structure, specific indexes of refraction, or thickness of layers).

(1) Note. Physical shape (other than layered mediums) or arrangement of elements or mediums is not considered a particular medium for this subclass.

SEE OR SEARCH CLASS

252, Compositions,

585, for chemical compositions, per se, which produce polarized light.