Welding hood nut
The broken line showing of the welding helmet in
Claims
The ornamental design for a welding hood nut, as shown and described.
| D278029 | March 19, 1985 | Suponitsky |
| D295370 | April 26, 1988 | Carlo et al. |
| 4907300 | March 13, 1990 | Dampney et al. |
| D311131 | October 9, 1990 | Saito |
| 5571217 | November 5, 1996 | Del Bon et al. |
| 5845341 | December 8, 1998 | Barthold et al. |
| 6260197 | July 17, 2001 | Hoogewind |
| D459207 | June 25, 2002 | Miyata |
| D540989 | April 17, 2007 | Huh |
| D551961 | October 2, 2007 | Huh |
| 20080060102 | March 13, 2008 | Matthews et al. |
Type: Grant
Filed: Jan 8, 2008
Date of Patent: May 12, 2009
Inventor: Chad W. Piester (Brandon, FL)
Primary Examiner: Ruth McInroy
Attorney: Richard C. Litman
Application Number: 29/290,733