Patent · US Expired

Plastic glass

US6638454B2 · kind B2 · utility

0Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 2001
Grant dateOct 28, 2003
Priority date—
Expiry dateJul 2, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2011/0058
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method of manufacture of high optical quality transparent plastic for use as a mirror or glass substitute.

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