Patent · US Expired

Device that can be walked on or driven on

US5924152A · kind A · utility

22Cited by
4References
21Claims
0Family size

Inventor

Key dates

Filing dateNov 11, 1997
Grant dateJul 20, 1999
Priority date
Expiry dateNov 11, 2017

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE01D2101/34
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

In a device that can be walked on or driven on, for example for bridging under bridges requiring renovation or for bridging over streets, a web that can be walked on is connected to handrails via transverse struts. In this case, the web that can be walked on and/or the transverse struts and/or the handrails comprise extruded aluminum profiles.

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