The extension handle is shown in
The extension handle is shown in
| Number | Name | Date | Kind |
|---|---|---|---|
| 2104161 | Koukal | Dec 1934 | A |
| 4776716 | Huang | Oct 1988 | A |
| 4863299 | Osberghaus | Sep 1989 | A |
| 5271682 | Realdon | Dec 1993 | A |
| D361669 | Chan | Aug 1995 | S |
| 5515574 | Larson | May 1996 | A |
| 5735620 | Ford | Apr 1998 | A |
| 5888006 | Ping | Mar 1999 | A |
| 6142750 | Benecke | Nov 2000 | A |
| 6497525 | Huang | Dec 2002 | B1 |
| 6540424 | Hall | Apr 2003 | B1 |
| 6551001 | Aberegg | Apr 2003 | B2 |
| 6579023 | Kunkler | Jun 2003 | B2 |
| 6588065 | Tucker | Jul 2003 | B1 |
| 6612768 | Zorzo | Sep 2003 | B2 |
| D483242 | Heathcock | Dec 2003 | S |
| 6655866 | Morad | Dec 2003 | B1 |
| 6659670 | Blouse | Dec 2003 | B1 |
| 6663306 | Policicchio | Dec 2003 | B2 |
| 6669391 | Policicchio | Dec 2003 | B2 |
| 6722806 | Kunkler | Apr 2004 | B2 |
| 6726388 | Monahan | Apr 2004 | B1 |
| 6854911 | Policicchio | Feb 2005 | B2 |
| 6854912 | Dyer | Feb 2005 | B2 |
| 6893180 | Hall | May 2005 | B2 |
| 6899485 | Hall | May 2005 | B2 |
| 6953299 | Wang | Oct 2005 | B2 |
| 6960042 | Hsiao | Nov 2005 | B1 |
| 6964535 | Bell | Nov 2005 | B2 |
| 6981533 | Zorzo | Jan 2006 | B2 |
| 6986618 | Hall | Jan 2006 | B2 |
| 6986619 | Hall | Jan 2006 | B2 |
| 7004658 | Hall | Feb 2006 | B2 |
| D520852 | Minkler | May 2006 | S |
| D520854 | Barrett | May 2006 | S |
| 7048458 | Hall | May 2006 | B2 |
| 7048804 | Kisela | May 2006 | B2 |
| 7056050 | Sacks | Jun 2006 | B2 |
| 7159275 | Chang | Jan 2007 | B2 |
| 7160044 | Dyer | Jan 2007 | B2 |
| 7163349 | Policicchio | Jan 2007 | B2 |
| 7172099 | Hofte | Feb 2007 | B2 |
| 7191486 | Michelson | Mar 2007 | B1 |
| 7431524 | Sacks | Oct 2008 | B2 |
| 7530136 | Ball | May 2009 | B1 |
| 7618206 | Sacks | Nov 2009 | B2 |
| 7699551 | Suda | Apr 2010 | B2 |
| 7708485 | Tanaka | May 2010 | B2 |
| 7722273 | Tanaka | May 2010 | B2 |
| 7850384 | Sacks | Dec 2010 | B2 |
| D632090 | Cobabe | Feb 2011 | S |
| D632490 | Cobabe | Feb 2011 | S |
| D632491 | Lowe | Feb 2011 | S |
| D633362 | Ayala | Mar 2011 | S |
| D644907 | Blanchard | Sep 2011 | S |
| 8069520 | Mattucci | Dec 2011 | B2 |
| 8079770 | Widmer | Dec 2011 | B2 |
| 8096723 | Bae | Jan 2012 | B2 |
| 8109685 | Vito | Feb 2012 | B1 |
| D655146 | Lucio | Mar 2012 | S |
| 8186898 | Bradbury | May 2012 | B2 |
| 8205293 | Rosenzweig | Jun 2012 | B2 |
| 8241427 | Crawford | Aug 2012 | B1 |
| 8267607 | Harris | Sep 2012 | B2 |
| D670151 | Angel | Nov 2012 | S |
| 8425137 | Sampaio | Apr 2013 | B1 |
| 8449212 | Crawford | May 2013 | B2 |
| 8596896 | Kimura | Dec 2013 | B2 |
| 8641309 | Perry | Feb 2014 | B2 |
| 8662778 | Crawford | Mar 2014 | B2 |
| 8667637 | Vrdoljak | Mar 2014 | B2 |
| D710665 | Boies | Aug 2014 | S |
| 8807858 | Fitzpatrick | Aug 2014 | B2 |
| 8834053 | Landingham | Sep 2014 | B2 |
| 8844088 | Castillo | Sep 2014 | B2 |
| D715560 | Li | Oct 2014 | S |
| 8894315 | Dingert | Nov 2014 | B2 |
| 8926210 | Orubor | Jan 2015 | B2 |
| 8927480 | Williams | Jan 2015 | B2 |
| 9009920 | Ramsey | Apr 2015 | B1 |
| 9044132 | Kaminer | Jun 2015 | B2 |
| D739696 | Miyazaki | Sep 2015 | S |
| D778068 | Harrington | Feb 2017 | S |
| D789637 | Dobson, III | Jun 2017 | S |
| D789764 | Meier | Jun 2017 | S |
| D793640 | Buckley | Aug 2017 | S |
| D803658 | Perez | Nov 2017 | S |
| 20030103795 | Hollars | Jun 2003 | A1 |
| 20030126710 | Policicchio | Jul 2003 | A1 |
| 20030204926 | Jurgens | Nov 2003 | A1 |
| 20040146333 | Fu | Jul 2004 | A1 |
| 20040223803 | Fahy | Nov 2004 | A1 |
| 20050031404 | Tsai | Feb 2005 | A1 |
| 20050066465 | Minkler | Mar 2005 | A1 |
| 20050089360 | Garabedian | Apr 2005 | A1 |
| 20050144744 | Thiess | Jul 2005 | A1 |
| 20050191116 | Flanery | Sep 2005 | A1 |
| 20060039743 | Mensink | Feb 2006 | A1 |
| 20060110207 | Hofte | May 2006 | A1 |
| 20060140703 | Sacks | Jun 2006 | A1 |
| 20060213017 | Bele | Sep 2006 | A1 |
| 20070140774 | Dyer | Jun 2007 | A1 |
| 20070231046 | Whiffen | Oct 2007 | A1 |
| 20080038045 | Hofte | Feb 2008 | A1 |
| 20080066242 | Aiyar | Mar 2008 | A1 |
| 20080115302 | Kilkenny | May 2008 | A1 |
| 20080205972 | LaFlamme | Aug 2008 | A1 |
| 20090094791 | Blom | Apr 2009 | A1 |
| 20110158740 | Kandasamy | Jun 2011 | A1 |
| 20120227763 | Hayes | Sep 2012 | A1 |
| 20120311805 | Hasegawa | Dec 2012 | A1 |
| 20130263396 | Crawford | Oct 2013 | A1 |
| 20130263398 | Irwin | Oct 2013 | A1 |
| 20140317868 | Fitzpatrick | Oct 2014 | A1 |
| 20150082570 | Davidshofer | Mar 2015 | A1 |
| 20150089757 | Davidshofer | Apr 2015 | A1 |
| 20150101140 | Pierce | Apr 2015 | A1 |
| 20160029859 | Harrington | Feb 2016 | A1 |
| 20160073847 | Powell | Mar 2016 | A1 |
| Number | Date | Country |
|---|---|---|
| 2730814 | Aug 2011 | CA |
| 2893297 | Jun 2014 | CA |
| Entry |
|---|
| HooverTwinTank_2011_Manual, 13 pages. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29550206 | Dec 2015 | US |
| Child | 29615460 | US | |
| Parent | 14983883 | Dec 2015 | US |
| Child | 29550206 | US |