Hearing protector
Description
Claims
The ornamental design for a hearing protector, as shown and described.
Referenced Cited
U.S. Patent Documents
3505684 | April 1970 | Hutchinson et al. |
3562816 | February 1971 | Hutchinson |
D245202 | July 26, 1977 | Asker |
4571746 | February 25, 1986 | Gorike |
D305072 | December 12, 1989 | Ferguson |
D323043 | January 7, 1992 | Lofton |
D331966 | December 22, 1992 | Gardner, Jr. |
D534155 | December 26, 2006 | Obata |
D540301 | April 10, 2007 | Obata |
D632668 | February 15, 2011 | Brunner et al. |
D652406 | January 17, 2012 | Lee et al. |
Patent History
Patent number: D669574
Type: Grant
Filed: Mar 14, 2011
Date of Patent: Oct 23, 2012
Inventor: Dag Nordström (Västerås)
Primary Examiner: Wan Laymon
Attorney: Dilworth & Barrese, LLP.
Application Number: 29/387,465
Type: Grant
Filed: Mar 14, 2011
Date of Patent: Oct 23, 2012
Inventor: Dag Nordström (Västerås)
Primary Examiner: Wan Laymon
Attorney: Dilworth & Barrese, LLP.
Application Number: 29/387,465
Classifications