Portable welding clamp attachment device
Description
The claimed portable welding clamp attachment device is primarily used to provide a portable device to attach a welding ground clamp or workpiece clamp.
Claims
The ornamental design for a portable welding clamp attachment device, as shown.
Referenced Cited
U.S. Patent Documents
Other references
D162910 | April 1951 | Wallace |
4132397 | January 2, 1979 | Ward |
D266274 | September 21, 1982 | Arns |
D284348 | June 24, 1986 | Covey |
5593147 | January 14, 1997 | Read |
D399111 | October 6, 1998 | Budesa |
5865269 | February 2, 1999 | Eskesen |
D414669 | October 5, 1999 | Howard |
D439820 | April 3, 2001 | Yang |
D607706 | January 12, 2010 | Jastrow |
D655593 | March 13, 2012 | Wagner et al. |
8214989 | July 10, 2012 | Jefferson et al. |
8528870 | September 10, 2013 | Liu et al. |
- Lincoln Electric, Grasshopper Holding Device, http://www.lincolnelectric.com/en-us/support/welding-projects/Pages/grasshopper-holding-device.aspx (last visited May 8, 2013), Internet web site, date of first publication unknown.
- Welding Web, Grasshopper, http://weldingweb.com/showthread.php?t=85651, (last visited May 8, 2013), Internet web site, date of first publication unknown.
- Miller Welds, Photograph, http://www.millerwelds.com/resources/communities/mboard/attachment.php?attachmentid=15427&d=1220455378, (last visited May 8, 2013), Internet web site, date of first publication unknown.
Patent History
Patent number: D714610
Type: Grant
Filed: May 9, 2013
Date of Patent: Oct 7, 2014
Inventor: Christopher Bryan Trussell (Edgewood, TX)
Primary Examiner: David Muller
Application Number: 29/454,333
Type: Grant
Filed: May 9, 2013
Date of Patent: Oct 7, 2014
Inventor: Christopher Bryan Trussell (Edgewood, TX)
Primary Examiner: David Muller
Application Number: 29/454,333
Classifications
Current U.S. Class:
D8/72