Breathing filter
Latest SHENZHEN AIDIANSHENG TECHNOLOGY CO., LTD. Patents:
Description
The broken lines in the drawings depict portions of the breathing filter that form no part of the claimed design.
Claims
The ornamental design for a breathing filter, as shown and described.
Referenced Cited
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Patent History
Patent number: D894394
Type: Grant
Filed: May 12, 2020
Date of Patent: Aug 25, 2020
Assignee: SHENZHEN AIDIANSHENG TECHNOLOGY CO., LTD. (Shenzhen)
Inventor: Yunlong Huang (Yongzhou)
Primary Examiner: Rhea Shields
Application Number: 29/734,467
Type: Grant
Filed: May 12, 2020
Date of Patent: Aug 25, 2020
Assignee: SHENZHEN AIDIANSHENG TECHNOLOGY CO., LTD. (Shenzhen)
Inventor: Yunlong Huang (Yongzhou)
Primary Examiner: Rhea Shields
Application Number: 29/734,467
Classifications