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:
Apr. 19, 1983
Filed:
Aug. 25, 1980
Applicant:
Inventors:
John Ahern, Barrington, RI (US);
Wayne Farmer, Lincoln, RI (US);
David Hawes, Fairhaven, MA (US);
Herbert J McEvoy, Jr, North Attleboro, MA (US);
Assignee:
Fairfield Optical Company, Inc., Mansfield, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C / ; G02C / ;
U.S. Cl.
CPC ...
351106 ; 351109 ; 351142 ; 351154 ;
Abstract
An optometric device includes a semi-rimless plastic two lens frame having two rim surfaces for mounting two lenses in the frame, each having a circumferential groove therearound. The lenses are mounted by the use of a rib projecting from the rim surfaces and integral therewith and configured to engage with a portion of the lens groove to axially fix the lens and by a line and winder which releasably engages the remaining portion of the groove of the lens to radially fix the lens.