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:
Nov. 30, 1976
Filed:
Sep. 13, 1973
Applicant:
Inventors:
Harry A King, Yorba Linda, CA (US);
John M Washick, Mentor, OH (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
3501 / ;
Abstract
A gasket for liquid crystal light shutter displays, particularly field effect light shutter displays, comprising a high molecular weight thermoplastic resin, preferably a phenoxy polymer resin, which is not reactive with nor soluble in the liquid crystal material but which will bond two transparent plates together securely and restrict the flow of moisture or other contaminants from the atmosphere into a liquid crystal film disposed between the transparent plates.