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:
Jun. 10, 1980
Filed:
Nov. 06, 1978
Eugene L Gould, Kittanning, PA (US);
Other;
Abstract
A spectacle lense is formed so that its critical center is on the visual axis of the eye of the patient. The point where the visual axis of the eye intersects each lense of a spectacle to accomplish this purpose, is marked on a plane simulated lense of a transparent resilient plastic material. The simulated lense is contoured so that its contour is congruent to the contour of the spectacle lense. A wand is provided for determining the point where the simulated lense is to be marked. The wand includes a transparent plate having a target mark. Magnets are secured to the plate near its periphery. The transparent plate is mounted on the outer surface of the simulated lense with the plate engaging this outer surface and held in slideable engagement by the magnets on the plate and cooperative magnets on the inner surface of the simulated lense. The wand is set to align the target mark with the center of the pupil of the eye. The simulated lense is then marked at the point coincident with the target mark. The simulated lense is then used as a template to form a spectacle lense from a spectacle lense blank so that it has the same contour as the simulated lense and the critical center is in the appropriate position on the spectacle lense.