Patent · US Expired

Structural interlock frame system

US4894974A · kind A · utility

35Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 1988
Grant dateJan 23, 1990
Priority date
Expiry dateJul 5, 2008

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04C2/36
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A structural panel for use in building construction and other applications has an internal rib structure with the ribs interlocked to form a two dimensional matrix. The ribs have tabs that are fitted into openings of facing sheets of the panels. This structure results in a strong prefabricated building panel.

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