Hearing protector
Latest 3M INNOVATIVE PROPERTIES COMPANY Patents:
Description
Portions of the drawings shown in broken lines do not form part of the claimed design.
Claims
The ornamental design for a hearing protector, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2883671 | April 1959 | Hornickel |
| 2981958 | May 1961 | Wadsworth et al. |
| 3085253 | April 1963 | Ulrich et al. |
| 4571746 | February 25, 1986 | Gorike |
| D298670 | November 22, 1988 | Palmaer |
| D313092 | December 18, 1990 | Nilsson |
| D375584 | November 12, 1996 | Westerdal |
| D385665 | October 28, 1997 | Westerdal |
| D390564 | February 10, 1998 | Savona |
| D403126 | December 22, 1998 | Scanlon et al. |
| D411200 | June 22, 1999 | Almqvist |
| D413413 | August 31, 1999 | Dillon et al. |
| D434191 | November 21, 2000 | Emilsson |
| D509323 | September 6, 2005 | Emilsson |
| D541483 | April 24, 2007 | Birgersson et al. |
| D547500 | July 24, 2007 | Karrman |
| D651764 | January 3, 2012 | Gresko et al. |
| D663900 | July 17, 2012 | Karlsson et al. |
Patent History
Patent number: D736475
Type: Grant
Filed: Nov 19, 2013
Date of Patent: Aug 11, 2015
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Douglas D. Fletcher (Woodbury, MN), Scott T. Cheek (Indianapolis, IN), Brenda M. Bonney (Woodbury, MN), Sean C. McGreevy (Minneapolis, MN), Oscar M. Hemberg (Dalarö)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/473,165
Type: Grant
Filed: Nov 19, 2013
Date of Patent: Aug 11, 2015
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Douglas D. Fletcher (Woodbury, MN), Scott T. Cheek (Indianapolis, IN), Brenda M. Bonney (Woodbury, MN), Sean C. McGreevy (Minneapolis, MN), Oscar M. Hemberg (Dalarö)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/473,165
Classifications
Current U.S. Class:
Ear (D29/112)