Patent
   D731875
Priority
Mar 20 2013
Filed
Sep 19 2013
Issued
Jun 16 2015
Expiry
Jun 16 2029
Assg.orig
Entity
unknown
4
16
n/a
The ornamental design for a spring hook, as shown and described.

FIG. 1 is a perspective view of a spring hook showing my new design;

FIG. 2 is a front elevation view, the rear view being a mirror image thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Bao, Yongping

Patent Priority Assignee Title
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