Patent · US Expired

Glass spacer

US6677024B2 · kind B2 · utility

5Cited by
2References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 2000
Grant dateJan 13, 2004
Priority date
Expiry dateApr 27, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/315
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A glass spacer, obtained by a drawing process, having an approximately polygonal bearing cross-section with at least one rectangle having the dimensions a, b, and the spacer having a height 1, the dimensions of the glass spacer satisfying the relationship of a<300 &mgr;m, 0.2 mm<1 <20 mm, and b/a<1000, and preferably b/a<200.

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