Filter for air purification

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Description

1. Filter for air purification

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Top

1.5 : Bottom

1.6 : Left

1.7 : Right

Materials: synthetic resin, metal and nonwoven fabric; the present design relates to a filter for an air cleaner which is used by removing a rotary blade in an electric fan and then inserting it into a motor shaft of an electric fan; the present design relates to a filter for an air purifier, which sucks contaminated air through vent holes provided on the front and back surfaces of the present design by using rotation force of the fan motor shaft and then discharges purified air after cleaning with a HEPA filter; the present design consists of a HEPA filter, an upper disc and a lower disc supporting the HEPA filter at upper and lower parts respectively, and a fan motor shaft fitting at the center.

Claims

The ornamental design for a filter for air purification, as shown and described.

Referenced Cited
U.S. Patent Documents
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D293796 January 19, 1988 Nagy
D365388 December 19, 1995 Williams
D372079 July 23, 1996 Fago
D401597 November 24, 1998 Shelton
D464129 October 8, 2002 Xu
D530807 October 24, 2006 Miyagishima
D541399 April 24, 2007 Khalil
D565715 April 1, 2008 Wu
D615149 May 4, 2010 Reid
D681678 May 7, 2013 Portillo
D704226 May 6, 2014 Lee
D708728 July 8, 2014 Yoo
D762833 August 2, 2016 Ogg
9707503 July 18, 2017 Gieseke
D807483 January 9, 2018 Combs
D813274 March 20, 2018 Platt
D857868 August 27, 2019 Combs
D864477 October 22, 2019 Liu
D872846 January 14, 2020 Jessup
D874627 February 4, 2020 Nykowski
D875235 February 11, 2020 Coleman
D885249 May 26, 2020 Wessel
20170087499 March 30, 2017 Combs
20170260936 September 14, 2017 Williams
Patent History
Patent number: D907755
Type: Grant
Filed: Apr 9, 2019
Date of Patent: Jan 12, 2021
Inventor: Kwi Seok Choi (Seoul)
Primary Examiner: Richard E Chilcot
Application Number: 35/507,514
Classifications
Current U.S. Class: Filter (D23/365)