Platform for supporting a ladder on stairs

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Description

FIG. 1 is a top plan view of a platform for supporting a ladder on stairs, showing my new design.

FIG. 2 is an elevational view of one side, the opposite side being a mirror image thereof.

FIG. 3 is a bottom plan view.

FIG. 4 is an end elevational view thereof, taken from the left of FIG. 2.

FIG. 5 is an end elevational view thereof, taken from the right of FIG. 2.

Referenced Cited
U.S. Patent Documents
1057722 April 1913 Goetz
2093763 September 1937 Lee
2616774 November 1952 Prince
2730412 January 1956 Yoder
2848282 August 1958 Weber
Patent History
Patent number: D268133
Type: Grant
Filed: Oct 14, 1980
Date of Patent: Mar 1, 1983
Inventor: Betty D. Drake (Shingletown, CA)
Primary Examiner: A. Hugo Word
Attorney: John H. Crowe
Application Number: 6/196,937
Classifications
Current U.S. Class: Element Of Attachment (13) (D25/68); D 6/40
International Classification: D0699;