Work platform

Description

FIG. 1 is a perspective view of a work platform showing our new design;

FIG. 2 is a perspective view thereof, with the second step in its inoperative position;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view, the rear being identical thereto;

FIG. 5 is a left side elevational view, the right side being identical thereto; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D157436 February 1950 Rogero
D173804 January 1955 Goldman et al.
D240220 June 1976 Meyer
D297790 September 27, 1988 Melvin
D307800 May 8, 1990 Hradisky
2666210 January 1954 Wiley
3530954 September 1970 Schmidt
3650351 March 1972 Schmidt
Patent History
Patent number: D331808
Type: Grant
Filed: Aug 30, 1990
Date of Patent: Dec 15, 1992
Inventors: Kenneth R. Paul (Black Butte, OR), Dennis G. Marshall (Redmond, OR)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Klarquist, Sparkman, Campbell, Leigh & Whinston
Application Number: 7/575,992
Classifications
Current U.S. Class: Step Stool Type (D25/65); D/6350