Sponge backrest
Latest SHENZHEN QISHENGXIENENG ELECTRONIC CO., LTD Patents:
Description
The broken lines illustrate the claim in use and form no part of the claimed design.
Claims
The ornamental design for a “sponge backrest”, as shown and described.
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Patent History
Patent number: D871796
Type: Grant
Filed: Jul 18, 2017
Date of Patent: Jan 7, 2020
Assignee: SHENZHEN QISHENGXIENENG ELECTRONIC CO., LTD (Shenzhen, Guangdong Province)
Inventor: Shuangtian Mi (Chengdu)
Primary Examiner: Mary Ann Calabrese
Assistant Examiner: Jennifer L Rempfer
Application Number: 29/610,991
Type: Grant
Filed: Jul 18, 2017
Date of Patent: Jan 7, 2020
Assignee: SHENZHEN QISHENGXIENENG ELECTRONIC CO., LTD (Shenzhen, Guangdong Province)
Inventor: Shuangtian Mi (Chengdu)
Primary Examiner: Mary Ann Calabrese
Assistant Examiner: Jennifer L Rempfer
Application Number: 29/610,991
Classifications
Current U.S. Class:
D6/601