The dash-dot broken lines illustrate the bounds of the claim and form no part of the claimed design. All other broken lines illustrate portions of the exhalation port for a breathing circuit and form no part of the claimed design.
The dash-dot broken lines illustrate the bounds of the claim and form no part of the claimed design. All other broken lines illustrate portions of the exhalation port for a breathing circuit and form no part of the claimed design.
| Number | Name | Date | Kind |
|---|---|---|---|
| 3812878 | Bird | May 1974 | A |
| 4265239 | Rischer, Jr. et al. | May 1981 | A |
| 2348074 | Lambertsen | Feb 1997 | A |
| 5647355 | Starr et al. | Jul 1997 | A |
| 5685296 | Zdrojkowski et al. | Nov 1997 | A |
| 5937851 | Serowski et al. | Aug 1999 | A |
| 5937855 | Zdrojkowski et al. | Aug 1999 | A |
| 5988160 | Foley et al. | Nov 1999 | A |
| 6581594 | Drew et al. | Jun 2003 | B1 |
| 6615830 | Serowski et al. | Sep 2003 | B1 |
| 6823865 | Drew et al. | Nov 2004 | B2 |
| 6851425 | Jaffre et al. | Feb 2005 | B2 |
| 6851427 | Nashed | Feb 2005 | B1 |
| 7159587 | Drew et al. | Jan 2007 | B2 |
| D564384 | Kapitulskiy | Mar 2008 | S |
| 7703457 | Barnett et al. | Apr 2010 | B2 |
| D638931 | Graham | May 2011 | S |
| D691717 | McLean | Oct 2013 | S |
| D692121 | Fahy | Oct 2013 | S |
| D692128 | Miller | Oct 2013 | S |
| 8678003 | Darkin et al. | Mar 2014 | B2 |
| 8701658 | Mazela | Apr 2014 | B2 |
| D724198 | Oostman | Mar 2015 | S |
| 9022029 | Varga et al. | May 2015 | B2 |
| 9044562 | Dillingham et al. | Jun 2015 | B2 |
| 20050022828 | Fukunaga | Feb 2005 | A1 |
| 20050066964 | Bathe | Mar 2005 | A1 |
| 20070113854 | Mcauliffe | May 2007 | A1 |
| 20130213401 | Haibach | Aug 2013 | A1 |
| 20140109901 | Hallett et al. | Apr 2014 | A9 |
| 20150128950 | Veliss et al. | May 2015 | A1 |
| Entry |
|---|
| Rugged Snow Roof Rake, posted at roofrake.com, earliest date posted on Jan. 17, 2008, [online], acquired on Aug. 14, 2019. Available from Internet, <URL:http://www.roofrake.com/Productpages/ruggedroofrake.asp> (Year: 2008). |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29592001 | Jan 2017 | US |
| Child | 29643468 | US |