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:
Sep. 06, 1988
Filed:
Feb. 10, 1987
Applicant:
Inventors:
Michel Fraselle, Saint-Maur, FR;
Bernard Lhospice, Blois, FR;
Claude Romanet, La Varenne Saint Hilaire, FR;
Assignee:
Essilor International Compagnie Generale d'Optique, Creteil, FR;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C / ; G02C / ; G02C / ;
U.S. Cl.
CPC ...
351118 ; 351119 ; 351128 ;
Abstract
An eyeglass frame comprises a variable length member made up of two parts adapted to be inserted one inside the other to a variable distance. At least one shape memory alloy ring or sleeve member is mounted on one of these two parts. The ring or sleeve member is adapted to immobilize the two parts relative to each other at ambient temperature.