Patent · US Expired

Stackable elements with lateral connector

US3988854A · kind A · utility

1Cited by
7References
6Claims
0Family size

Inventor

Key dates

Filing dateJan 20, 1975
Grant dateNov 2, 1976
Priority date
Expiry dateJan 20, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63H33/105
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A construction member having a tubular body with side walls surrounding a passage through the body. Each side wall has an opening and a plurality of notches for accommodating a connecting element. The side walls have a longitudinally projected flange of a size that fits into a passage of another construction member so that a plurality of construction members can be connected together. The body can have a square, triangular, and other multiside shapes.

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