US PATENT SUBCLASS 427 / 163.1
.~ Polarizer, windshield, optical fiber, projection screen, or retroreflector

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

162  DF  OPTICAL ELEMENT PRODUCED {2}
163.1.~ Polarizer, windshield, optical fiber, projection screen, or retroreflector {3}
163.2  DF  .~.~> Optical fiber, rod, filament, or waveguide
163.3  DF  .~.~> Projection screen
163.4  DF  .~.~> Retroreflector (e.g., light reflecting small spherical beads, etc.)

DEFINITION

Classification: 427/163.1

Polarizer, windshield, optical fiber, projection screen, or retroreflector:

(under subclass 162) Processes wherein the optical element is a polarizer, windshield, optical fiber, rod, waveguide,

projection screen, or retroreflector.

(1) Note. Windshields and windscreens for boats, trains, aircraft, and automobiles are proper for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

108+, for applying an electrically conductive coating to a windshield.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

483+, for polarization, per se.