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:
Nov. 11, 2025
Filed:
Oct. 26, 2023
Coopervision International Limited, Fareham, GB;
David Ricketts, Southampton, GB;
Edward James Harley Evans, Southampton, GB;
COOPERVISION INTERNATIONAL LIMITED, Fareham, GB;
Abstract
A mandrelfor holding an ophthalmic lens member blankduring machining is disclosed. The mandrelcomprises a front surfacefor receiving an ophthalmic lens member blankto be machined; a rear surfaceopposite the front surface; and one or more through-holesextending between the front and rear surfaces. In use, wax applied to the rear surfacecontacts an ophthalmic lens member blankreceived on the front surfacevia said one or more through-holes. Methods of producing an ophthalmic lens using such a mandrel and lenses produced using such a mandrel are also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile