Structural pipe

Description

FIG. 1 is a top, front, right side perspective view of a structural pipe showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a cross sectional view taken on line VI-VI of FIG. 2; and,

FIG. 7 is a reduced perspective view, the broken line showing of pipes, wires, plates and wheels, the full line showing of the structural pipes and additional structural pipes being for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
21076 September 1891 Milliken
2980215 April 1961 Englund
2990203 June 1961 Grover et al.
5456048 October 10, 1995 White
Patent History
Patent number: D375600
Type: Grant
Filed: Jul 18, 1995
Date of Patent: Nov 12, 1996
Assignee: Yazaki Industrial Chemical Co., Ltd. (Shizuoka)
Inventors: Seiji Hirano (Shizuoka), Shuji Yoshino (Shizuoka)
Primary Examiner: Kay H. Chin
Attorney: Eric P. Schellin
Application Number: 0/41,567