Patent
   D937443
Priority
Oct 16 2019
Filed
Oct 16 2019
Issued
Nov 30 2021
Expiry
Nov 30 2036
Assg.orig
Entity
unknown
0
5
n/a
The ornamental design for a ladder hinge, as shown and described.

FIG. 1 is a perspective view of a ladder hinge showing my new design;

FIG. 2 is a right-side plan view thereof;

FIG. 3 is a left-side plan view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a rear plan view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of a ladder hinge shown in its application in a ladder as a reference.

The broken lines of FIGS. 1-7 illustrate portions of the ladder hinge that form no part of the claimed design. The broken lines of FIGS. 8 illustrate an environment of the ladder hinge as it may be used and form no part of the claimed design.

Yoo, Thomas

Patent Priority Assignee Title
Patent Priority Assignee Title
10975622, Jun 18 2018 Thomas, Yoo; HYUNDAI ALUMINUM VINA SHAREHOLDING COMPANY Ladder
20040129497,
D631562, Jun 22 2010 GUANGZHOU HANSHENG TRADE DEVELOPMENT CO , LTD Ladder hinge
D908924, May 14 2019 WERNER CO Multipurpose ladder
D914912, Apr 18 2019 Ladder with hinged rungs operable to collapse on multiple axes
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