Patent · US Active

Tinted contact lenses with crescent patterns

US8425033B2 · kind B2 · utility

0Cited by
16References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 2011
Grant dateApr 23, 2013
Priority date—
Expiry dateSep 30, 2031

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29D11/00923
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The invention provides tinted contact lenses that use a crescent-shaped pattern or pattern element to enhance the lens wearer's iris.

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