Door opener
Description
The broken lines shown in the drawings are included for the purpose of illustrating portions of the door opener that form no part of the claimed design.
Claims
The ornamental design for a door opener, as shown and described.
Referenced Cited
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Patent History
Patent number: D970571
Type: Grant
Filed: May 26, 2022
Date of Patent: Nov 22, 2022
Assignee: Hangzhou Junling Technology Co., Ltd. (Zhejiang)
Inventor: Yanxia Hu (Zhejiang)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/840,232
Type: Grant
Filed: May 26, 2022
Date of Patent: Nov 22, 2022
Assignee: Hangzhou Junling Technology Co., Ltd. (Zhejiang)
Inventor: Yanxia Hu (Zhejiang)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/840,232
Classifications
Current U.S. Class:
Drive Train (D15/148)