The broken lines in the figures depict portions of the filter cleaning device that form no part of the claimed design.
The broken lines in the figures depict portions of the filter cleaning device that form no part of the claimed design.
Number | Date | Country | Kind |
---|---|---|---|
2018 3 0445479 | Aug 2018 | CN | national |
Number | Name | Date | Kind |
---|---|---|---|
2778043 | Arf | Jan 1957 | A |
D201792 | Selbel | Aug 1965 | S |
3448758 | Mullins | Jun 1969 | A |
3732886 | Mullins | May 1973 | A |
D239283 | Vallari | Mar 1976 | S |
D267123 | Fuller | Nov 1982 | S |
D280144 | Cooney | Aug 1985 | S |
D283725 | Mahoney | May 1986 | S |
D284603 | Loignon | Jul 1986 | S |
D314548 | Whitley, II | Feb 1991 | S |
D368343 | Gebhard | Mar 1996 | S |
D429046 | Hansen | Aug 2000 | S |
D476718 | Ferrer Beltran | Jul 2003 | S |
D605255 | Lai | Dec 2009 | S |
D613918 | Benacquisto | Apr 2010 | S |
D671622 | Hoyer | Nov 2012 | S |
D690480 | Schoen | Sep 2013 | S |
D746954 | Gledhill | Jan 2016 | S |
D782620 | Becker | Mar 2017 | S |
D787937 | Messenger | May 2017 | S |
D820407 | Wieser | Jun 2018 | S |
D839396 | Whitehead | Jan 2019 | S |
D839397 | Whitehead | Jan 2019 | S |
Number | Date | Country |
---|---|---|
300825077 | Sep 2008 | CN |