Rung lock for a ladder

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Description

FIG. 1 is an upper perspective view of a rung lock for a ladder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a bottom perspective view thereof.

Claims

The ornamental design for a rung lock for a ladder, as shown and described.

Referenced Cited
U.S. Patent Documents
58734 October 1866 Rockwell
1059340 April 1913 Boyer
1113413 October 1914 Conabee
2388415 November 1945 John
3565211 February 1971 Le Blanc
4299306 November 10, 1981 Hawkins
5117943 June 2, 1992 Schmitt
5429207 July 4, 1995 Frank
Patent History
Patent number: D813417
Type: Grant
Filed: Dec 2, 2016
Date of Patent: Mar 20, 2018
Assignee: LOUISVILLE LADDER INC. (Louisville, KY)
Inventor: Abelardo Carrera (San Nicolás de los Garza)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/586,368
Classifications