Extendable interdental brush
The broken lines shown in the drawings represent portions of the extendable interdental brush that form no part of the claimed design.
Claims
The ornamental design for an extendable interdental brush, as shown and described.
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Type: Grant
Filed: May 20, 2019
Date of Patent: Jan 18, 2022
Inventor: Xing Zhou (Guangzhou)
Primary Examiner: Karen E Eldridge Powers
Application Number: 29/691,877