Step ladder
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FIG. 1 is a front perspective view of the step ladder showing my new design, illustrating the step ladder in its erected position;
FIG. 2 is a right side elevational view of FIG. 1;
FIG. 3 is a right side elevational view of the step ladder in its collapsed or folded position;
FIG. 4 is a front elevational view of the front section of the step ladder;
FIG. 5 is a right side elevational view of FIG. 4, the opposite side being a mirror image thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a top plan view thereof;
FIG. 9 is a rear elevational view of the rear section of the step ladder;
FIG. 10 is a right side elevational view of FIG. 10, the opposite side being a mirror image thereof;
FIG. 11 is a front elevational view thereof;
FIG. 12 is a top plan view thereof;
FIG. 13 is a bottom plan view thereof;
FIG. 14 is a front elevational view of the step ladder shown in FIG. 2;
FIG. 15 is a rear elevational view of the step ladder shown in FIG. 2;
FIG. 16 is a top plan view thereof; and
FIG. 17 is a bottom plan view thereof.
4023647 | May 17, 1977 | Confer |
Type: Grant
Filed: Apr 14, 1986
Date of Patent: Mar 21, 1989
Assignee: Emerson Electric Co. (St. Louis, MO)
Inventors: Claude R. Wallick, Jr. (Jefferson County, KY), Thomas J. Schmitt (Jefferson County, KY)
Primary Examiner: A. Hugo Word
Law Firm: Polster, Polster and Lucchesi
Application Number: 6/851,683