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:
Mar. 07, 2006
Filed:
Sep. 13, 2004
Walter Haimerl, Munich, DE;
Herbert Pfeiffer, Munich, DE;
Gregor Esser, Munich, DE;
Helmut Altheimer, Lauchdorf, DE;
Walter Haimerl, Munich, DE;
Herbert Pfeiffer, Munich, DE;
Gregor Esser, Munich, DE;
Helmut Altheimer, Lauchdorf, DE;
Rodenstock GmbH, Munich, DE;
Abstract
A progressive spectacle lens having two aspherical and in particular progressive surfaces, i.e. surfaces contributing to the rise in the effect (addition Add.) from the distance vision portion to the near vision portion, in which the sagittal heights()of at least one (i) progressive surface (i=1,2) are chosen such that the sagittal height z of this respective surface at the edge of the spectacle lens given by() for≧0 and() forassume predefined values without this surface (i) or the other surface (j) having a reversal of curvature forming a supporting edge.