Face mask
Latest Smith Industries Medical Systems, Inc. Patents:
Description
FIG. 1 is a top plan view of a face mask showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a side elevational view thereof, the opposite side view being a mirror image of that shown; and
FIG. 6 is a cross sectional view thereof taken along the line 6--6 of FIG. 2.
The broken line showing of a cushion in combination with the faceplate is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D285496 | September 2, 1986 | Berman |
D293613 | January 5, 1988 | Wingler |
D300473 | March 28, 1989 | Roush |
2666432 | November 1954 | Stanton |
2830584 | April 1958 | Hollmann et al. |
2848994 | August 1958 | Aguado |
2931356 | April 1960 | Schwartz |
3105488 | October 1963 | Richards |
3315674 | April 1967 | Bloom et al. |
3805782 | April 1974 | Welch |
3908648 | September 1975 | McCosker |
3918448 | November 1975 | McCosker |
4062357 | December 13, 1977 | Laerdal |
4195629 | April 1, 1980 | Halford |
0288937 | April 1988 | EPX |
2652128 | December 1977 | DEX |
2225177 | November 1974 | FRX |
2443918 | July 1980 | FRX |
0842642 | July 1960 | GBX |
1467828 | March 1977 | GBX |
1516494 | July 1978 | GBX |
2038703A | December 1979 | GBX |
2045092 | October 1980 | GBX |
Patent History
Patent number: D323908
Type: Grant
Filed: Nov 9, 1989
Date of Patent: Feb 11, 1992
Assignee: Smith Industries Medical Systems, Inc. (Keene, NH)
Inventors: William H. Hollister (Nelson, NH), Cary D. Carruthers (Fitzwilliam, NH)
Primary Examiner: Kay H. Chin
Attorneys: Linda M. Buckley, Sewall P. Bronstein
Application Number: 7/435,325
Type: Grant
Filed: Nov 9, 1989
Date of Patent: Feb 11, 1992
Assignee: Smith Industries Medical Systems, Inc. (Keene, NH)
Inventors: William H. Hollister (Nelson, NH), Cary D. Carruthers (Fitzwilliam, NH)
Primary Examiner: Kay H. Chin
Attorneys: Linda M. Buckley, Sewall P. Bronstein
Application Number: 7/435,325
Classifications
Current U.S. Class:
D29/7