Patent · US Expired

Portable collapsible container

US4290468A · kind A · utility

10Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1979
Grant dateSep 22, 1981
Priority date
Expiry dateNov 15, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65F2220/1066
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A portable collapsible container made of flexible material the general form of a thin walled barrel, comprising a cylindrical body portion and a bottom cover removably attached to the lower end of the cylindrical wall; the body portion containing two enclosed hoop members one of which is adjacent the upper end of the cylindrical wall and the other which is spaced apart therefrom, the two hoop members being separated by a plurality of vertical stiffening members enclosed in the wall of said body portion and spaced substantially equidistantly around said wall and disconnected from both hoop members.

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