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:
May. 26, 2020
Filed:
Nov. 19, 2015
Novartis Ag, Basel, CH;
Alcon Inc., Fribourg, CH;
Abstract
A casting mold () for the manufacture of ophthalmic lenses, in particular hard and soft contact lenses comprises a male mold half () having a generally convexly shaped male mold surface () and a female mold half having a generally concavely shaped female mold surface (). Each of the male and female mold surfaces comprises a lens-forming surface () which is encircled by a non lens-forming annular edge surface (). The lens-forming surface () comprises a central optical zone () and a non-optical peripheral zone () surrounding the central optical zone. At least one of the male and female mold halves () is provided with at least one permanent marking () which is arranged on a surface in the peripheral zone () of the lens-forming surface () and/or on the non lens-forming annular edge surface ().