Patent · US Expired

Method and apparatus for making fences

US4357001A · kind A · utility

11Cited by
25References
2Claims
0Family size

Inventors

Key dates

Filing dateMar 23, 1976
Grant dateNov 2, 1982
Priority date
Expiry dateMar 23, 1996

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04H17/263
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A composite fence post is specifically shaped to reduce splitting and shearing and has a driver cap thereon to be driven by an elongate driver tool that encircles the post and that has an interior projection to cooperate with flanges of the post in properly positioning the post as it is driven.

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