Scaffold plank

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Description

FIG. 1 is a top left front perspective view of a scaffold plank showing our new design, the right and rear sides being the same as the left and front sides respectively;

FIG. 2 is a perspective view thereof from beneath; and

FIG. 3 is an enlarged profile cross-sectional view thereof taken at 3--3 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D183691 October 1958 Grover
3093216 June 1963 Dunham
3556254 January 1971 Lambert et al.
Foreign Patent Documents
405326 February 1934 GBX
54274 May 1970 AUX
431406 December 1970 AUX
79572 February 1981 AUX
Patent History
Patent number: D281106
Type: Grant
Filed: Jun 9, 1982
Date of Patent: Oct 22, 1985
Assignee: Chadwick Management Services Pty. Limited (New South Wales)
Inventors: Norman I. Thomas (Victoria), Gunther Ilgoutz (Victoria)
Primary Examiner: A. Hugo Word
Law Firm: Armstrong, Nikaido, Marmelstein & Kubovcik
Application Number: 6/386,592
Classifications
Current U.S. Class: Element Of Attachment (13) (D25/68); D25/90