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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 front perspective view of a top portion of a welding helmet showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a left side view, the right side being a mirror image thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The details shown in broken lines form no part of the claimed design.
Curran, Desmond T., Lee, Peter D., Martin, Daniel
Patent | Priority | Assignee | Title |
10114242, | Dec 13 2012 | 3M Innovative Properties Company | Curved automatic-darkening filter |
11090192, | Sep 15 2014 | 3M Innovative Properties Company | Personal protective system tool communication adapter |
11246367, | Jun 17 2005 | Gentex Corporation | Mounting system for accessories on a safety helmet |
11337478, | Jun 17 2005 | Gentex Corporation | Mounting rail for attaching accessories to a safety helmet |
11672296, | Jun 17 2005 | Gentex Corporation | Hinged attachment of headgear to a helmet |
7810937, | Oct 11 2005 | 3M Innovative Properties Company | Control of an automatic darkening filter |
7884888, | Mar 09 2005 | 3M Innovative Properties Company | Automatic darkening filter with offset polarizers |
8042958, | Jun 20 2005 | 3M Innovative Properties Company | Automatic darkening filter with automatic power management |
8047664, | Oct 11 2005 | 3M Innovative Properties Company | Control of an automatic darkening filter |
9956118, | Sep 15 2014 | 3M Innovative Properties Company | Personal protective system tool communication adapter |
D674151, | Sep 13 2011 | 3M Innovative Properties Company | Protective helmet |
D674152, | Mar 12 2012 | 3M Innovative Properties Company | Protective helmet |
D674153, | Mar 12 2012 | 3M Innovative Properties Company | Protective helmet |
D750846, | Feb 09 2006 | Gentex Corporation | Helmet mounted rail |
D750847, | Feb 09 2006 | Gentex Corporation | Helmet mount |
D788991, | Jul 30 2016 | RPB SAFETY, LLC | Welding visor |
D869777, | Oct 23 2018 | Gentex Corporation | Accessory rail connector |
D894494, | Feb 09 2006 | Gentex Corporation | Helmet |
D895211, | Feb 09 2006 | Gentex Corporation | Helmet |
D895212, | Feb 09 2006 | Gentex Corporation | Helmet |
D901082, | Feb 09 2006 | Gentex Corporation | Helmet |
ER9943, |
Patent | Priority | Assignee | Title |
3806951, | |||
3825952, | |||
4136688, | Mar 31 1976 | RACAL ACOUSTIC SERVICES LIMITED | Protective devices |
4280491, | Mar 07 1980 | Minnesota Mining and Manufacturing Company | Powered air respirator |
4462399, | Oct 02 1981 | Minnesota Mining and Manufacturing Company | Powered air respirator and cartridge |
4965887, | Nov 12 1987 | John A., Paoluccio | Face protector for splash and spatter protection |
5054479, | Apr 19 1988 | Pulsafe Safety Products Limited | Safety visor having a rotatably mounted shield and filter |
5104430, | Jun 11 1991 | Mask with an air filtering device | |
5125402, | Nov 15 1985 | British Technology Group Limited | Powered respirators |
5533500, | Mar 04 1992 | Helmet with an air filtering device | |
5575278, | Nov 07 1994 | Zodiac Aerotechnics | Individual equipment for protection against NBC attacks |
6014971, | Aug 15 1997 | 3M Innovative Properties Company | Protective system for face and respiratory protection |
6016805, | Mar 10 1998 | 3M Innovative Properties Company | Face seal for respirator |
6250299, | Aug 15 1997 | 3M Innovative Properties Company | Protective system for face and respiratory protection |
D320869, | Aug 29 1989 | Parmelee Industries, Inc. | Headgear for faceshield |
D393933, | Apr 10 1996 | Otos Optical Co., Ltd. | Welding mask |
D394732, | Apr 10 1996 | Otos Optical Co. Ltd. | Welding mask |
D398421, | Dec 12 1995 | 3M Innovative Properties Company | Protective helmet |
D431328, | Apr 09 1999 | JPCA, INC | Two-piece welding helmet |
D446887, | Sep 24 1999 | OTOS TECH CO , LTD | Welding mask |
D482502, | May 08 2002 | Otos Optical Co., Ltd. | Welding mask |
D482503, | Oct 04 2002 | OTOS OPTICAL CO , LTD | Welding mask |
EP1061822, | |||
WO9926502, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 04 2004 | LEE, PETER D | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015997 | /0700 | |
Oct 08 2004 | MARTIN, DANIEL | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015997 | /0700 | |
Oct 12 2004 | CURRAN, DESMOND T | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015997 | /0700 | |
Nov 12 2004 | 3M Innovative Properties Company | (assignment on the face of the patent) | / |
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