US PATENT SUBCLASS 451 / 390
.~ Lens or prism
Current as of: June, 1999
Click HD for Main Headings
Click for All Classes
DEFINITION
Classification: 451/390
Lens or prism:
(under subclass 364) Work holder especially adapted for holding a workpiece comprising an optical device for intentionally directing light rays.
(1) Note. The workpiece of this subclass may be made from glass, plastic, or other transparent material.
