Respiratory mask
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Description
FIG. 1 is a perspective view showing the new design for a respiratory mask design.
FIG. 2 is a front view thereof.
FIG. 3 is a top elevational view thereof.
FIG. 4 is a bottom elevational view thereof.
FIG. 5 is a rear elevational view; and,
FIG. 6 is a side elevational view. The left side elevational view is the same as the right side elevational view.
The broken lines showing in FIGS. 1-6 are for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a respiratory mask, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D326540 | May 26, 1992 | Scholey |
2362382 | November 1944 | Lehmberg |
5012805 | May 7, 1991 | Muckerheide |
5701893 | December 30, 1997 | Kern et al. |
5934275 | August 10, 1999 | Gazzara |
388638 | March 1933 | GB |
871661 | June 1961 | GB |
2103491A | February 1983 | GB |
WO 96/28216 | September 1996 | WO |
WO 96/28217 | September 1996 | WO |
WO 97/32493 | September 1997 | WO |
WO 97/32494 | September 1997 | WO |
- Product Literature: “Glendale Respiratory Protection,” Glendale Optical Company, Inc.
- Product Literature: “Delta Disposable Respirators,” Racal Health & Safety, Inc.
- Product Literature: “Racal® N95 Respirator & Delta® N95 Respirator,” Racal Health & Safety, Inc., (1995).
Patent History
Patent number: D448472
Type: Grant
Filed: Feb 17, 1999
Date of Patent: Sep 25, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Daniel T. Chen (St. Paul, MN)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firms: Karl G. Hanson, James A. Rogers
Application Number: 29/100,707
Type: Grant
Filed: Feb 17, 1999
Date of Patent: Sep 25, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Daniel T. Chen (St. Paul, MN)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firms: Karl G. Hanson, James A. Rogers
Application Number: 29/100,707
Classifications