Dust filter for cleaning appliance
Description
1. Dust filter for cleaning appliance
Reproduction
Claims
The ornamental design for a dust filter for cleaning appliance as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- Roborock 2 Pack Washable Filter, available in Amazon.com, date first available Mar. 7, 2024 [online], [site visited Apr. 21, 2025], Available from the internet URL: https://www.amazon.com/roborock-Washable-Filter-Efficiency-Replacement/dp/B0CXF2C1R3 (Year: 2024).
Patent History
Patent number: D1091992
Type: Grant
Filed: Jul 31, 2024
Date of Patent: Sep 2, 2025
Assignee: Beijing Roborock Technology Co., Ltd. (Beijing)
Inventor: Baokui Zhang (Beijing)
Primary Examiner: George J Ulsh
Assistant Examiner: Jennylou M Binas
Application Number: 35/522,038
Type: Grant
Filed: Jul 31, 2024
Date of Patent: Sep 2, 2025
Assignee: Beijing Roborock Technology Co., Ltd. (Beijing)
Inventor: Baokui Zhang (Beijing)
Primary Examiner: George J Ulsh
Assistant Examiner: Jennylou M Binas
Application Number: 35/522,038
Classifications
Current U.S. Class:
For Vacuum Cleaner (D32/31);
Refuse Collection Receptacle (D32/30);
Filter (D23/365)