Metal decking

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Description

FIG. 1 is a perspective view of a metal decking showing my new design, the decking is broken in the center to indicate indeterminate length;

FIG. 2 is a cross-sectional view taken along line 2--2 of FIG. 1;

FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 1;

FIG. 4 is a fragmentary side elevational view thereof;

FIG. 5 is a perspective view of a second embodiment of a metal decking showing my new design, the decking is broken in the center to indicate indeterminate length;

FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 5;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 5; and,

FIG. 8 is a fragmentary side elevational view thereof.

Referenced Cited
U.S. Patent Documents
692909 February 1902 Roberts
704072 July 1902 Mitchell
3008551 November 1961 Cole
3667185 June 1972 Maurer
4085558 April 25, 1978 Albrecht
4566243 January 28, 1986 Dahlin
4580384 April 8, 1986 Hutcheson
4914886 April 10, 1990 Eriksson et al.
Patent History
Patent number: D337169
Type: Grant
Filed: Feb 27, 1990
Date of Patent: Jul 6, 1993
Assignee: John Lysaght (Australia) Ltd. (Sydney)
Inventor: Mark J. Schipp (New South Wales)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Nikaido, Marmelstein, Murray & Oram
Application Number: 7/485,888
Classifications