Air filter for vacuum cleaner
Latest Conet Industries, Inc. Patents:
Description
The broken lines illustrate environmental matter and form no part of the claimed design.
Claims
The ornamental design for an air filter for vacuum cleaner, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Inclema MEC 429 polyester filter 440 conical for vacuum cleaner [Apr. 24, 2020] found online [Apr. 24, 2020]—https://www.inclemashop.com/product/19282282/mec-429-polyester-filter-440-conical-for-vacuum-cleaner-soteco?_=_.
- Large Icing Piping Nozzle Tip reference [Apr. 24, 2020] found online [Apr. 24, 2020]—https://www.newegg.com/p/0X6-04KT-0JPR0.
- Melitta USA Launches Coffee Filters With New Measure Markings™ (article) [ Jan. 30, 2015] found online [Apr. 24, 2020]—https://www.businesswire.com/news/home/20150630006018/en/Melitta-USA-Launches-Coffee-Filters-New-Measure.
Patent History
Patent number: D913469
Type: Grant
Filed: Mar 30, 2018
Date of Patent: Mar 16, 2021
Assignee: Conet Industries, Inc. (Incheon)
Inventor: Sung Wook Song (Seoul)
Primary Examiner: John A Voytek
Application Number: 29/642,672
Type: Grant
Filed: Mar 30, 2018
Date of Patent: Mar 16, 2021
Assignee: Conet Industries, Inc. (Incheon)
Inventor: Sung Wook Song (Seoul)
Primary Examiner: John A Voytek
Application Number: 29/642,672
Classifications
Current U.S. Class:
Filter (D23/365)