Ventilation fan
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Description
The broken lines illustrate portions of the ventilation fan that form no part of the claimed design.
Claims
The ornamental design for ventilation fan, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Utilitech Ventilation Fan 1.5-Sone 100-CFM White Bathroom Fan Energy Star, date first reviewed Sep. 4, 2019, site visited Oct. 27, 2019, available from internet, <https://www.lowes.com/pd/Utilitech-Ventilation-Fan-1-5-Sone-100-CFM-White-Bathroom-Fan-ENERGY-STAR/1001062224>.
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Patent History
Patent number: D903083
Type: Grant
Filed: Apr 3, 2018
Date of Patent: Nov 24, 2020
Assignee: DELTA ELECTRONICS, INC. (Taoyuan)
Inventors: Yu-Hsiang Huang (Taoyuan), Chih-Hua Lin (Taoyuan)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/642,941
Type: Grant
Filed: Apr 3, 2018
Date of Patent: Nov 24, 2020
Assignee: DELTA ELECTRONICS, INC. (Taoyuan)
Inventors: Yu-Hsiang Huang (Taoyuan), Chih-Hua Lin (Taoyuan)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/642,941
Classifications