US PATENT SUBCLASS 427 / 162
OPTICAL ELEMENT PRODUCED


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

162OPTICAL ELEMENT PRODUCED {2}
163.1  DF  .~> Polarizer, windshield, optical fiber, projection screen, or retroreflector {3}
164  DF  .~> Transparent base {1}


DEFINITION

Classification: 427/162

(under the class definition) Processes wherein the coating of the base results in an optical element or wherein an optical element is coated.

(1) Note. Merely stating reflective properties of a decorative screen or shade, for example, is not enough to place the patent in this subclass (162) or subclasses indented hereinunder.

(2) Note. Coating a glass window to reduce glare is considered subject matter for the subclass or indents hereunder.

(3) Note. Included herein are processes of making mirrors, optical filters, coated lenses, etc.