Structural floor element

Description

FIG. 1 is a top plan view of the structural floor element;

FIG. 2 is a side elevational view, the opposite side being identical thereto;

FIG. 3 is a frontal plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a rear plan view thereof.

Referenced Cited
U.S. Patent Documents
2139623 December 1938 Marston
3131656 May 1964 Houle
3172508 March 1965 Doering et al
3334455 August 1967 Russell
3540177 November 1970 Slining
3798853 March 1974 Castle
4027439 June 7, 1977 Willard
4263762 April 28, 1981 Reed
4294052 October 13, 1981 Blaver
Patent History
Patent number: D338540
Type: Grant
Filed: Jun 24, 1991
Date of Patent: Aug 17, 1993
Inventor: David A. Selby (St. Laurent, Quebec)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorney: Thomas N. Neiman
Application Number: 7/719,537