Three way Y-shaped respiratory valve
Latest Hans Rudolph, Inc. Patents:
Description
FIG. 1 is a perspective view of a three way Y-shaped respiratory valve, showing our new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a side elevational view thereof, opposite that shown in FIG. 2;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
D276464 | November 20, 1984 | Weigl et al. |
D276465 | November 20, 1984 | Clawson et al. |
D300270 | March 14, 1989 | Rudolph et al. |
D300271 | March 14, 1989 | Rudolph et al. |
D300272 | March 14, 1989 | Rudolph et al. |
D300273 | March 14, 1989 | Rudolph et al. |
D300274 | March 14, 1989 | Rudolph et al. |
3643686 | February 1972 | Koegel |
4436090 | March 13, 1984 | Darling |
4489721 | December 25, 1984 | Ozaki et al. |
4493339 | January 15, 1985 | Porter, Jr. |
Patent History
Patent number: D303586
Type: Grant
Filed: Aug 6, 1987
Date of Patent: Sep 19, 1989
Assignee: Hans Rudolph, Inc. (Kansas City, MO)
Inventors: Hans Rudolph (Shawnee Mission, KS), Kevin A. Rudolph (Leawood, KS)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Litman, McMahon & Brown
Application Number: 7/82,099
Type: Grant
Filed: Aug 6, 1987
Date of Patent: Sep 19, 1989
Assignee: Hans Rudolph, Inc. (Kansas City, MO)
Inventors: Hans Rudolph (Shawnee Mission, KS), Kevin A. Rudolph (Leawood, KS)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Litman, McMahon & Brown
Application Number: 7/82,099
Classifications
Current U.S. Class:
D29/7