Ladder rail clamp

Description

FIG. 1 is a right perspective view of a ladder rail clamp embodying my new design;

FIG. 2 is a top plan thereof;

FIG. 3 is a bottom plan thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a left side elevation thereof, with a right side elevation being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D266964 November 16, 1982 Rasheed
1256909 February 1918 Kroshaug
1880319 October 1932 Iasillo
2226228 December 1940 Kunde
2686032 August 1954 Thorson
3246867 April 1966 Ewing
3313506 April 1967 Bauchard
3964711 June 22, 1976 Lund
Patent History
Patent number: D306136
Type: Grant
Filed: Sep 3, 1987
Date of Patent: Feb 20, 1990
Inventor: Ordell R. Lund (Duluth, MN)
Primary Examiner: B. J. Bullock
Law Firm: Peterson, Wicks, Nemer & Kamrath
Application Number: 7/92,706
Classifications
Current U.S. Class: D/8395; D/8373