Chin portion of welding helmet visor
Latest 3M Innovative Properties Company Patents:
Description
FIG. 1 is a front perspective view of a chin portion of a welding helmet visor 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.
Claims
The ornamental design for a chin portion of welding helmet visor, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
3806951 | April 1974 | Halteman |
3825952 | July 1974 | Pershing et al. |
4136688 | January 30, 1979 | Gorman |
4280491 | July 28, 1981 | Berg et al. |
4462399 | July 31, 1984 | Braun |
4965887 | October 30, 1990 | Paoluccio et al. |
5054479 | October 8, 1991 | Yelland et al. |
5104430 | April 14, 1992 | Her-Mou |
5125402 | June 30, 1992 | Greenough |
5533500 | July 9, 1996 | Her-Mou |
5575278 | November 19, 1996 | Bonhomme et al. |
D393933 | April 28, 1998 | Huh |
D394732 | May 26, 1998 | Huh |
D398421 | September 15, 1998 | Crafoord et al. |
6014971 | January 18, 2000 | Danisch et al. |
6016805 | January 25, 2000 | Burns et al. |
6250299 | June 26, 2001 | Danisch et al. |
D446887 | August 21, 2001 | Young |
1061822 | April 2003 | EP |
WO 99/26502 | June 1999 | WO |
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Patent History
Patent number: D517745
Type: Grant
Filed: Nov 12, 2004
Date of Patent: Mar 21, 2006
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Peter D. Lee (Hartlepool), Desmond T. Curran (Durham), Daniel Martin (Whalton)
Primary Examiner: Ruth McInroy
Attorney: Karl G Hanson
Application Number: 29/217,155
Type: Grant
Filed: Nov 12, 2004
Date of Patent: Mar 21, 2006
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Peter D. Lee (Hartlepool), Desmond T. Curran (Durham), Daniel Martin (Whalton)
Primary Examiner: Ruth McInroy
Attorney: Karl G Hanson
Application Number: 29/217,155
Classifications
Current U.S. Class:
Element Or Attachment (D29/122)