Top portion of a welding helmet
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Description
The details shown in broken lines form no part of the claimed design.
Claims
The ornamental design for a top portion of a welding helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
D393933 | April 28, 1998 | Huh |
D394732 | May 26, 1998 | Huh |
D398421 | September 15, 1998 | Crafoord et al. |
D517745 | March 21, 2006 | Lee et al. |
D524992 | July 11, 2006 | Belin et al. |
D525395 | July 18, 2006 | Fridholm et al. |
D526097 | August 1, 2006 | Lilenthal et al. |
D532560 | November 21, 2006 | Fredriksson et al. |
D532939 | November 28, 2006 | Juhlin et al. |
D533313 | December 5, 2006 | Mases et al. |
D540990 | April 17, 2007 | Huh |
D553802 | October 23, 2007 | Huh |
D565800 | April 1, 2008 | Wang |
Patent History
Patent number: D584007
Type: Grant
Filed: Nov 15, 2007
Date of Patent: Dec 30, 2008
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Oskar E. Juhlin (Gustavsberg)
Primary Examiner: Ruth McInroy
Attorney: Anna A. Wetzels
Application Number: 29/297,643
Type: Grant
Filed: Nov 15, 2007
Date of Patent: Dec 30, 2008
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Oskar E. Juhlin (Gustavsberg)
Primary Examiner: Ruth McInroy
Attorney: Anna A. Wetzels
Application Number: 29/297,643
Classifications
Current U.S. Class:
Element Or Attachment (D29/122)