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The ornamental design for a top portion of a welding helmet, as shown and described.
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FIG. 1 is a perspective view, showing the new design for a top portion of a welding helmet;
FIG. 2 is a left side view, the right side view being a mirror image thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a rear view thereof.
The broken line showing forms no part of the claimed design, and the shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.
Fredriksson, Lennart C., Fridholm, Jonas D., Juhlin, Oskar E., Lilenthal, Niklas, Mases, Kjell I., Crafoord, David, Belin, Rutger
Patent | Priority | Assignee | Title |
D584003, | Nov 15 2007 | 3M Innovative Properties Company | Welding helmet |
D584006, | Nov 15 2007 | 3M Innovative Properties Company | Side portion of a welding helmet |
D584007, | Nov 15 2007 | 3M Innovative Properties Company | Top portion of a welding helmet |
D584008, | Nov 15 2007 | 3M Innovative Properties Company | Welding helmet front opening |
D585160, | Nov 15 2007 | 3M Innovative Properties Company | Welding helmet cheek bone element |
D589654, | Nov 15 2007 | 3M Innovative Properties Company | Pivot knob portion of a welding helmet |
D592811, | Nov 15 2007 | 3M Innovative Properties Company | Welding helmet collar portion |
D597709, | Nov 15 2007 | 3M Innovative Properties Company | Protective plate for a welding filter in a welding helmet |
D604911, | Nov 15 2007 | 3M Innovative Properties Company | Protective plate for a welding filter in a welding helmet |
D616155, | Nov 25 2007 | 3M Innovative Properties Company | Protective plate for a welding filter in a welding helmet |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 09 2005 | 3M Innovative Properties Company | (assignment on the face of the patent) | / | |||
Dec 21 2005 | LILENTHAL, NIKLAS | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | /0444 | |
Dec 21 2005 | MASES, KJELL I | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | /0444 | |
Dec 21 2005 | BELIN, RUTGER | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | /0444 | |
Dec 21 2005 | FREDRIKSSON, LENNART C | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017313 | /0444 | |
Feb 21 2006 | JUHLIN, OSKAR E | ERGONOMIDESIGN AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017318 | /0852 | |
Feb 21 2006 | FRIDHOLM, JONAS D | ERGONOMIDESIGN AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017318 | /0852 | |
Feb 21 2006 | ERGONOMIDESIGN AB | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017330 | /0559 | |
Feb 27 2006 | CRAFOORD, DAVID | ERGONOMIDESIGN AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017318 | /0852 |
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