Filter face mask
Description
Claims
The ornamental design for a filter face mask, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D630315
Type: Grant
Filed: Mar 30, 2006
Date of Patent: Jan 4, 2011
Inventor: John A. Masters (San Carlos, CA)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Attorney: Dale J. Ream
Application Number: 29/257,177
Type: Grant
Filed: Mar 30, 2006
Date of Patent: Jan 4, 2011
Inventor: John A. Masters (San Carlos, CA)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Attorney: Dale J. Ream
Application Number: 29/257,177
Classifications
Current U.S. Class:
Mask (D24/110.1)