Ladder hinge

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Description

FIG. 1 is top, front, right side perspective view of the ladder hinge in an embodiment of the present invention;

FIG. 2 is a front elevation of the ladder hinge of the present invention;

FIG. 3 is a left side elevation of the ladder hinge of the present invention;

FIG. 4 is a rear view of the ladder hinge of the present invention;

FIG. 5 is a right side elevation view of the ladder hinge of the present invention;

FIG. 6 is a top plane view of the ladder hinge of the present invention;

FIG. 7 is a bottom plane view of the ladder hinge of the present invention;

FIG. 8 is a top, front, right side perspective view of an alternate position of the ladder hinge of the present invention; and,

FIG. 9 is a perspective view of a ladder hinge. The broken lines are for illustrative purposes only and form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
5026198 June 25, 1991 Lin
7093321 August 22, 2006 Burbrink et al.
D553757 October 23, 2007 Moss et al.
Patent History
Patent number: D631562
Type: Grant
Filed: Jun 22, 2010
Date of Patent: Jan 25, 2011
Assignee: Guangzhou Hansheng Trade Development Co., Ltd
Inventor: Chunwen Han (Guangzhou)
Primary Examiner: Doris Clark
Attorney: Rutan & Tucker, LLP
Application Number: 29/364,345
Classifications