Patent · US Expired

Process for transferring a coating onto a surface of a lens blank

US7455796B2 · kind B2 · utility

6Cited by
21References
56Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2002
Grant dateNov 25, 2008
Priority date
Expiry dateSep 16, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31507
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A process for transferring a coating onto at least one optical surface of a lens blank which comprises:

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