Welding helmet
Wu May 16, 2
U.S. patent number D521,190 [Application Number D/219,779] was granted by the patent office on 2006-05-16 for welding helmet. This patent grant is currently assigned to Central Purchasing, LLC. Invention is credited to Ziqian Wu.
| United States Patent | D521,190 |
| Wu | May 16, 2006 |
Welding helmet
Claims
CLAIM The ornamental design for a welding helmet, as shown and described.
| Inventors: | Wu; Ziqian (Nanjing, CN) |
|---|---|
| Assignee: | Central Purchasing, LLC
(Camarillo, CA) |
| Appl. No.: | D/219,779 |
| Filed: | December 21, 2004 |
| Current U.S. Class: | D29/110 |
| Current International Class: | 2902 |
| Field of Search: | ;D29/102-103,107-110,122 ;D2/891 ;D24/137,150,172 ;D26/39 ;2/8,424,432 ;349/14 ;219/147 |
References Cited [Referenced By]
U.S. Patent Documents
| D310276 | August 1990 | Fuerthbauer et al. |
| D310432 | September 1990 | Boochard |
| D365666 | December 1995 | Gumpp |
| 5571217 | November 1996 | Del Bon et al. |
| D393933 | April 1998 | Huh |
| D394732 | May 1998 | Huh |
| D398421 | September 1998 | Crafoord et al. |
| D419727 | January 2000 | Verkic et al. |
| D431328 | September 2000 | Tanner |
| D446887 | August 2001 | Young |
| D481832 | November 2003 | Huh |
| D489492 | May 2004 | Wu |
Attorney, Agent or Firm: Amster, Rothstein & Ebenstein
Description
FIG. 1 is a perspective view of a welding helmet showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a bottom elevational view thereof; and,
FIG. 7 is a top elevational view thereof.
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