Air purifier
Description
Some of the solid lines in the figures are radius-transition lines that demarcate where a surface's curvature transitions from one radius to another. Such radius-transition lines would not appear as visible lines to an observer of the air purifier.
Claims
The ornamental design for an air purifier, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D411879 | July 6, 1999 | Stanek |
D503971 | April 12, 2005 | Otaki |
D556250 | November 27, 2007 | Kent |
D577800 | September 30, 2008 | Yoon |
D611132 | March 2, 2010 | Borgi |
D621019 | August 3, 2010 | Kim |
D673665 | January 1, 2013 | Langford |
D678494 | March 19, 2013 | Wolfe |
D744077 | November 24, 2015 | Yasukochi |
D748235 | January 26, 2016 | Yamashita |
D788894 | June 6, 2017 | Qin |
20100071399 | March 25, 2010 | Yoon |
20110016904 | January 27, 2011 | Yoon |
- youtube.com, Nutri-tech Air purification System video, 2-218, https://www.youtube.com/watch?v=WrHxhldaurg.
Patent History
Patent number: D860425
Type: Grant
Filed: Jan 22, 2018
Date of Patent: Sep 17, 2019
Inventors: Vince G. Lobdell (Pulaski, NY), Richard R. Cappadona (Boca Raton, FL)
Primary Examiner: David G Muller
Assistant Examiner: Nathan M Johnston
Application Number: 29/634,388
Type: Grant
Filed: Jan 22, 2018
Date of Patent: Sep 17, 2019
Inventors: Vince G. Lobdell (Pulaski, NY), Richard R. Cappadona (Boca Raton, FL)
Primary Examiner: David G Muller
Assistant Examiner: Nathan M Johnston
Application Number: 29/634,388
Classifications
Current U.S. Class:
Air Cleaner (D23/364)