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. 27, 1983
Filed:
Nov. 15, 1978
Applicant:
Inventors:
Robert I Thompson, Plainview, NY (US);
Robert L Saxe, New York, NY (US);
Assignee:
Research Frontiers Incorporated, Plainview, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
252583 ; 350356 ; 350362 ;
Abstract
A light-polarizing perhalide of an alkaloid acid salt having incorporated in its molecular structure a chloride, bromide, or iodide of calcium, rubidium, cesium or bismuth, and a light valve containing a suspension of particles of such perhalide.