Collapsed web ladder

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Description

FIG. 1 is a perspective view from above and to one side of a collapsed web ladder showing our design;

FIG. 2 is a perspective view thereof from below and to the other side; and

FIG. 3 is an end elevational view thereof.

Referenced Cited
U.S. Patent Documents
3907064 September 1975 Svalberg et al.
Foreign Patent Documents
614887 February 1961 CAX
Patent History
Patent number: D254394
Type: Grant
Filed: Feb 21, 1978
Date of Patent: Mar 4, 1980
Inventors: Frank B. Leslie (Niagara Falls, Ontario 6S6), Alexander S. Kiss (Queenston, Ontario)
Primary Examiner: James M. Gandy
Law Firm: Sim & McBurney
Application Number: 5/879,690
Classifications
Current U.S. Class: Ladder (D25/64)
International Classification: D0699;