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. 10, 1984
Filed:
Mar. 24, 1980
Alban J Lobdell, Plantation, FL (US);
Camelot Industries Corporation, Burlington, MA (US);
Abstract
A lens having a set of physical features provided on the edge thereof for permitting a set of reference marks to be placed on the lens surface together with an apparatus for applying these physical features to the lens. The apparatus comprises a mold assembly in which the gasket is provided with a plurality of precisely located ridges which define a plurality of corresponding notches formed on the edge of the lens to locate, for example, the distance portion optical center and the 0.degree.-180.degree. lines of a progressive power lens. The gasket is additionally provided with other ridges adapted to mate with grooves formed on the mold member defining the progressive lens surface to ensure proper alignment of that member with the gasket.