Patent · US Expired

Clamshell backrest components

US6305750A · kind A · utility

54Cited by
22References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1999
Grant dateOct 23, 2001
Priority date
Expiry dateMay 12, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47C7/425
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A backrest for a chair comprising two parts constructed and arranged to interlock around chair back supports. Each part is preferably molded, and has a rib structure which provides positioning means for assembly on the supports. A hook and hook receiver arrangement provide a locking means for firm attachment of the parts to the supports. Decorative cushions can be applied to the parts before or after locking them to the supports. The invention is not limited to folding chairs.

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