Mouthpiece for resuscitation
Description
FIG. 1 is a bottom plan view of a mouthpiece for resuscitation showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown;
FIG. 3 is a top plan view thereof;
FIG. 4 is an end elevational view thereof, the opposite end elevational view being a mirror image of that shown;
FIG. 5 is an enlarged sectional view taken along the line 5--5 of FIG. 3; and
FIG. 6 is an enlarged sectional view taken along the line 6--6 of FIG. 3.
Referenced Cited
U.S. Patent Documents
D263166 | February 23, 1982 | Bushman |
3137293 | June 1964 | Green |
3291121 | December 1966 | Vizneau |
3303845 | February 1967 | Detmer, II |
3508543 | April 1970 | Aulicono |
3802428 | April 1974 | Sherman |
3948255 | April 6, 1976 | Davidson |
4222378 | September 16, 1980 | Mahoney |
4360017 | November 23, 1982 | Barlett |
4559940 | December 24, 1985 | McGinnis |
Patent History
Patent number: D312330
Type: Grant
Filed: Nov 4, 1987
Date of Patent: Nov 20, 1990
Assignees: Mark Weston (Hathersage), Polyplas Ltd. (Sheffield)
Inventor: Philip Jackson (Coal Aston)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorneys: Henry Sternberg, Bert L. Lewen
Application Number: 7/117,142
Type: Grant
Filed: Nov 4, 1987
Date of Patent: Nov 20, 1990
Assignees: Mark Weston (Hathersage), Polyplas Ltd. (Sheffield)
Inventor: Philip Jackson (Coal Aston)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorneys: Henry Sternberg, Bert L. Lewen
Application Number: 7/117,142
Classifications
Current U.S. Class:
D29/7