Patent
   D901017
Priority
Mar 21 2019
Filed
Mar 21 2019
Issued
Nov 03 2020
Expiry
Nov 03 2035
Assg.orig
Entity
unknown
2
17
n/a
The ornamental design for a palatal expansion appliance, as shown and described.

FIG. 1 is a top perspective view of a palatal expansion appliance illustrating an embodiment of my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 depicts the alternate position thereof.

The contrast in shading (line shading) represents a contrast in appearance only and does not represent any particular color, material, texture, or finish.

Moon, Sung Chul

Patent Priority Assignee Title
D908889, May 28 2018 Palatal expansion appliance
D958369, Dec 19 2019 Premaxilla vomer plate
Patent Priority Assignee Title
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