Dust mask
Description
The broken lines in
Claims
The ornamental design for a dust mask, as shown and described.
Referenced Cited
U.S. Patent Documents
3288138 | November 1966 | Sachs |
3333585 | August 1967 | Barghini et al. |
3779244 | December 1973 | Weeks et al. |
4384577 | May 24, 1983 | Huber et al. |
4856509 | August 15, 1989 | Lemelson |
7131442 | November 7, 2006 | Kronzer et al. |
20060266364 | November 30, 2006 | Turdjian |
20070068529 | March 29, 2007 | Kalatoor et al. |
20080271739 | November 6, 2008 | Facer et al. |
20100051031 | March 4, 2010 | Lustenberger et al. |
Patent History
Patent number: D657051
Type: Grant
Filed: Sep 22, 2009
Date of Patent: Apr 3, 2012
Assignee: World Wide Welding, Inc. (Fort Mill, SC)
Inventor: Harish A. Amin (Fort Mill, SC)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Moore & Van Allen PLLC
Application Number: 29/343,923
Type: Grant
Filed: Sep 22, 2009
Date of Patent: Apr 3, 2012
Assignee: World Wide Welding, Inc. (Fort Mill, SC)
Inventor: Harish A. Amin (Fort Mill, SC)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Moore & Van Allen PLLC
Application Number: 29/343,923
Classifications
Current U.S. Class:
Mask (D24/110.1)