Respiratory mask
Latest 3M Innovative Properties Company Patents:
Description
The broken line showing of a mask is included for the purpose of illustrating environment and forms no part of the claimed design.
The shading is provided to illustrate contour only and is not an indication of surface texture or sheen.
Claims
The ornamental design for a respiratory mask, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D31395 | August 1899 | Geraghty |
3971369 | July 27, 1976 | Aspelin et al. |
4248220 | February 3, 1981 | White |
5322061 | June 21, 1994 | Brunson |
5746201 | May 5, 1998 | Kidd |
D449377 | October 16, 2001 | Henderson et al. |
D571459 | June 17, 2008 | D'Souza et al. |
7677248 | March 16, 2010 | Gerson et al. |
7766015 | August 3, 2010 | Harold et al. |
D657050 | April 3, 2012 | Henderson et al. |
D659820 | May 15, 2012 | Abel et al. |
20080271740 | November 6, 2008 | Gloag et al. |
20100154805 | June 24, 2010 | Duffy et al. |
2103491 | February 1983 | GB |
Patent History
Patent number: D692125
Type: Grant
Filed: Dec 27, 2012
Date of Patent: Oct 22, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Dean R. Duffy (Woodbury, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/440,780
Type: Grant
Filed: Dec 27, 2012
Date of Patent: Oct 22, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Dean R. Duffy (Woodbury, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/440,780
Classifications
Current U.S. Class:
Mask (D24/110.1)