Palatal expansion appliance
Description
Claims
The ornamental design for a palatal expansion appliance, as shown and described.
Referenced Cited
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Patent History
Patent number: D908889
Type: Grant
Filed: Nov 2, 2018
Date of Patent: Jan 26, 2021
Inventor: Sung Chul Moon (Seoul)
Primary Examiner: Wan Laymon
Assistant Examiner: Clint A Samuel
Application Number: 29/668,829
Type: Grant
Filed: Nov 2, 2018
Date of Patent: Jan 26, 2021
Inventor: Sung Chul Moon (Seoul)
Primary Examiner: Wan Laymon
Assistant Examiner: Clint A Samuel
Application Number: 29/668,829
Classifications
Current U.S. Class:
Orthodontic Appliance (D24/180)