Dental impression tray
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In the drawings, the solid lines represent portions of the dental impression tray that form the claimed design. The right side view is omitted, because it is a mirror image of the left side view.
The broken line shown in the drawings is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
Claims
The ornamental design for a dental impression tray, as shown and described.
Type: Grant
Filed: Nov 12, 2019
Date of Patent: Jul 13, 2021
Assignee: GC Corporation (Shizuoka)
Inventors: Keiichi Sasaki (Miyagi), Takayuki Michii (Tokyo)
Primary Examiner: Wan Laymon
Application Number: 29/712,850