Patent · US Expired

Eyeglass frame

US6648471B1 · kind B1 · utility

15Cited by
22References
15Claims
0Family size

Inventors

Key dates

Filing dateSep 10, 2002
Grant dateNov 18, 2003
Priority date—
Expiry dateSep 10, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C3/003
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Eyeglasses are provided that have an inflatable bladder in the temple piece. The temple pieces of the frame do not extend to the ears of the wearer.

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