Safety helmet
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Description
Portions of the drawings shown in broken lines do not form an essential part of the design.
Claims
The ornamental design for a safety helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
| D267207 | December 14, 1982 | Hilton |
| D353691 | December 20, 1994 | Scanlon |
| D418256 | December 28, 1999 | Caruana |
| D446887 | August 21, 2001 | Young |
| 6352383 | March 5, 2002 | Ristola |
| 6609913 | August 26, 2003 | Batts |
| D657918 | April 17, 2012 | Lee |
| 8438663 | May 14, 2013 | Wright |
| D690882 | October 1, 2013 | Nowikow |
| D707894 | June 24, 2014 | Mehra |
| 8826464 | September 9, 2014 | Wu |
| D774702 | December 20, 2016 | Brose |
- Stihl Construction Hard Hat System web page obtained from the internet on Aug. 29, 2016 from https://www.stihlusa.com/products/protective-and-work-wear/head-and-face-protection/schhs/.
Patent History
Patent number: D813462
Type: Grant
Filed: Jun 28, 2016
Date of Patent: Mar 20, 2018
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Peter L. Axelsson (Borlänge), Pernilla M. Nolåkers (Falun), Christina E. S. Wester (Hedemora)
Primary Examiner: Ruth McInroy
Application Number: 29/569,467
Type: Grant
Filed: Jun 28, 2016
Date of Patent: Mar 20, 2018
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Peter L. Axelsson (Borlänge), Pernilla M. Nolåkers (Falun), Christina E. S. Wester (Hedemora)
Primary Examiner: Ruth McInroy
Application Number: 29/569,467
Classifications
Current U.S. Class:
And Transparent Eye Shield (D29/107)