Frame that supports an exhalation valve filter
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Description
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Claims
The ornamental design for a frame that supports an exhalation valve filter, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D347298 | May 24, 1994 | Japuntich et al. |
5829433 | November 3, 1998 | Shigematsu et al. |
D413166 | August 24, 1999 | Snow et al. |
6047698 | April 11, 2000 | Magidson et al. |
D431647 | October 3, 2000 | Henderson et al. |
RE37974 | February 4, 2003 | Bowers |
6584976 | July 1, 2003 | Japuntich et al. |
6805124 | October 19, 2004 | Japuntich et al. |
- U.S. Appl. No. 29/233,287 to Scott et al., filed Jun. 30, 2005 entitled Exhalation Valve Filter.
Patent History
Patent number: D550837
Type: Grant
Filed: Jun 30, 2005
Date of Patent: Sep 11, 2007
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Derek A. Parkin (County Durham), Chris W. Scott (County Durham), Abigail L. Curtis (Hartlepool), Lawrie D. Coote (Berkshire)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Karl G. Hanson
Application Number: 29/233,288
Type: Grant
Filed: Jun 30, 2005
Date of Patent: Sep 11, 2007
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Derek A. Parkin (County Durham), Chris W. Scott (County Durham), Abigail L. Curtis (Hartlepool), Lawrie D. Coote (Berkshire)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Karl G. Hanson
Application Number: 29/233,288
Classifications
Current U.S. Class:
Regulator Or Valve (D24/110.6)