The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 1977
Filed:
Jun. 30, 1976
Applicant:
Inventor:
William W Korn, Kirkwood, MO (US);
Assignee:
K-S-H, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362330 ; 350259 ;
Abstract
A light-weight plastic lighting panel having recessed conical prisms arranged in such a way that their intersecting edges form equilateral triangles, all of whose sides lie along lattice lines. The side of each triangle has a length of 0.475 cm. (three-sixteenths of an inch), and the panel may have a weight of less than 1600 grams per square meter (5.2 ounces/square foot).