Patent · US Expired

Simulated tubular highway safety device

US4571118A · kind A · utility

24Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 20, 1984
Grant dateFeb 18, 1986
Priority date
Expiry dateJan 20, 2004

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE01F9/629
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A simulated tubular member for use as part of a highway safety device wherein the tube is comprised of a stiff, resilient rod which provides rigidity to maintain the simulated tube in straight orientation during static conditions, but deflects upon impact to avoid destruction. The rod includes a plurality of plastic bulbs which are configured to provide the appearance of a hollow plastic tube in conformance with state and federal highway specifications.

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