Welding mask
Cheng April 5, 2
U.S. patent number D635,721 [Application Number D/353,710] was granted by the patent office on 2011-04-05 for welding mask. This patent grant is currently assigned to Polison Corporation. Invention is credited to Chen-San Cheng.
| United States Patent | D635,721 |
| Cheng | April 5, 2011 |
Welding mask
Claims
CLAIM The ornamental design for welding mask, as shown and described.
| Inventors: | Cheng; Chen-San (Kaohsiung, TW) |
|---|---|
| Assignee: | Polison Corporation (Kaohsiung,
TW) |
| Appl. No.: | D/353,710 |
| Filed: | January 13, 2010 |
| Current U.S. Class: | D29/110 |
| Current International Class: | 2902 |
| Field of Search: | ;D29/102-106,108,110,112,122 ;2/455,8.1-8.4,8.7 |
References Cited [Referenced By]
U.S. Patent Documents
| D398421 | September 1998 | Crafoord et al. |
| D499215 | November 2004 | Cheng |
| D553802 | October 2007 | Huh |
| D585604 | January 2009 | Martin |
| D586956 | February 2009 | Huh |
| D594600 | June 2009 | Huh |
| 2008/0060102 | March 2008 | Matthews et al. |
Attorney, Agent or Firm: Ladas & Parry LLP
Description
FIG. 1 is a perspective view of welding mask 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 top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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