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. 23, 1993
Filed:
Jan. 04, 1991
Applicant:
Inventor:
Eric S Hussey, Spokane, WA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C / ;
U.S. Cl.
CPC ...
351 45 ; 351 44 ; 351158 ;
Abstract
The article includes an eyeglass frame (12) and two lenses (14, 16). Each lens has a film (18,20) on one surface thereof which is changeable between an opaque condition and a transparent condition, controlled by an electrical circuit (22).