The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
4126202 | Hern | Nov 1978 | A |
4278144 | Perin | Jul 1981 | A |
4344356 | Casterton et al. | Aug 1982 | A |
4471848 | Skytoen | Sep 1984 | A |
4480867 | Ezell et al. | Nov 1984 | A |
4492151 | Mattei | Jan 1985 | A |
4612975 | Ikari | Sep 1986 | A |
4616725 | McDaniel | Oct 1986 | A |
4771855 | Takashima et al. | Sep 1988 | A |
4846529 | Tulley | Jul 1989 | A |
5275255 | Huntley et al. | Jan 1994 | A |
5308279 | Grinberg | May 1994 | A |
5890764 | Lee | Apr 1999 | A |
5992156 | Isobe et al. | Nov 1999 | A |
6012295 | Isobe et al. | Jan 2000 | A |
D420685 | Muranen | Feb 2000 | S |
6022182 | Everett | Feb 2000 | A |
6039141 | Denny | Mar 2000 | A |
6186573 | Thurab | Feb 2001 | B1 |
6189964 | Henshaw et al. | Feb 2001 | B1 |
6196308 | Halligan | Mar 2001 | B1 |
6267195 | Takahasi et al. | Jul 2001 | B1 |
6543848 | Suga et al. | Apr 2003 | B1 |
6557919 | Suga et al. | May 2003 | B2 |
6572172 | Ninomiya et al. | Jun 2003 | B1 |
6578854 | Wucherpfennig et al. | Jun 2003 | B2 |
6634453 | Arthur et al. | Oct 2003 | B2 |
6675508 | Tamaru et al. | Jan 2004 | B2 |
6684969 | Flowers et al. | Feb 2004 | B1 |
6752468 | Eliasson | Jun 2004 | B2 |
6755270 | Saarinen | Jun 2004 | B2 |
6942282 | Jacobs et al. | Sep 2005 | B1 |
6955239 | Ueda et al. | Oct 2005 | B2 |
6981746 | Chung et al. | Jan 2006 | B2 |
7036883 | Thompson et al. | May 2006 | B1 |
7059680 | Billger et al. | Jun 2006 | B2 |
7069736 | Kamimae et al. | Jul 2006 | B2 |
7083019 | Chiou et al. | Aug 2006 | B2 |
D535310 | Kuwae et al. | Jan 2007 | S |
7159687 | Dunn et al. | Jan 2007 | B2 |
D546841 | McCarren et al. | Jul 2007 | S |
7294181 | Smith | Nov 2007 | B1 |
7347299 | Billger et al. | Mar 2008 | B2 |
7434863 | Hamazaki et al. | Oct 2008 | B2 |
7520567 | Billger et al. | Apr 2009 | B2 |
7575276 | Henry | Aug 2009 | B1 |
7681630 | Klassen et al. | Mar 2010 | B2 |
7854291 | Akahane et al. | Dec 2010 | B2 |
7857090 | Ruhter et al. | Dec 2010 | B2 |
7913798 | Frett et al. | Mar 2011 | B2 |
8091678 | Rowan et al. | Jan 2012 | B2 |
8104566 | Harber et al. | Jan 2012 | B2 |
20030070900 | Elwell | Apr 2003 | A1 |
20060061122 | Billger et al. | Mar 2006 | A1 |
20060144634 | Portscheller et al. | Jul 2006 | A1 |
20090276122 | Demong et al. | Nov 2009 | A1 |
20100300796 | Ryan et al. | Dec 2010 | A1 |
Number | Date | Country |
---|---|---|
1022623 | Mar 1966 | GB |
Entry |
---|
PCT/US11/26646 International Search Report and Written Opinion dated Apr. 13, 2011 (13 pages). |
Peterson et al., U.S. Appl. No. 13/037,878, filed Mar. 1, 2011. |
Krellner et al., U.S. Appl. No. 13/369,622, filed Feb. 9, 2012. |
Buchsbaum, “Foresight Energy Invests in Illinois: The Cline Group constucts four underground coal mining complexes,” Coal Age, Dec. 2010. |
Notice of Allowance from the United States Patent and Trademark Office for U.S. Appl. No. 29/407,733 dated Apr. 4, 2012 (9 pages). |
Notice of Allowance from the United States Patent and Trademark Office for U.S. Appl. No. 29/423,232 dated Aug. 9, 2012 (8 pages). |
Number | Date | Country | |
---|---|---|---|
Parent | 29407733 | Dec 2011 | US |
Child | 29423235 | US |