Patent · US Active

Dimpled contact lens

US11782297B2 · kind B2 · utility

0Cited by

9References

34Claims

0Family size

Assignee

COOPERVISION INTERNATIONAL LIMITED · GB

Inventors

Matthew S. Linn · Castro Valley, US
Sourav Saha · Sherghati, IN
Lu Jiang · Pleasanton, US
Tim Warren · Dublin, US
Nancy J. Keir · Pleasanton, US

Key dates

Filing date	Jul 30, 2021
Grant date	Oct 10, 2023
Priority date	—
Expiry date	Mar 18, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29D11/00134
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A contact lens having dimples on a posterior surface is described as well as cast molds and injection molding inserts for manufacturing the same. The contact lens includes a posterior surface having an optic zone, a peripheral zone, and a circumferential edge, where dimples are located in the peripheral zone, and can include at least 1000 dimples.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.