|
The ornamental design for a four way respiratory valve, as shown and described. |
FIG. 1 is a perspective view of a four way respiratory valve showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is an another left side elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a right side elevational view thereof;
FIG. 8 is a bottom plan view thereof.
The side elevational view taken perpendicular to a fourth face positioned directly to the right of the third face is a mirror image of FIG. 5.
Rudolph, Hans, Rudolph, Kevin A.
Patent | Priority | Assignee | Title |
6955650, | Aug 02 1999 | MICROLIFE MEDICAL HOME SOLUTIONS INC | Metabolic calorimeter employing respiratory gas analysis |
D303586, | Aug 06 1987 | Hans Rudolph, Inc. | Three way Y-shaped respiratory valve |
D305165, | Aug 06 1987 | Hans Rudolph, Inc. | Two way check respiratory valve |
D306086, | Aug 06 1987 | Hans Rudolph, Inc. | Five way respiratory valve |
D478660, | Jul 01 2002 | MICROLIFE MEDICAL HOME SOLUTIONS INC | Disposable mask with sanitation insert for a respiratory analyzer |
D634420, | Jul 18 2007 | ASAHI ORGANIC CHEMICALS INDUSTRY CO , LTD | Valve |
D760376, | Jan 06 2014 | Laerdal Medical AS | Ventilating bag with safety valve |
Patent | Priority | Assignee | Title |
3643686, | |||
4098029, | Mar 11 1977 | AXLE SURGEONS, INC | Axle grinder |
4180066, | Oct 20 1977 | Vital Signs, Inc. | Safety interface and valve for anesthesia gas scavenging |
4436090, | Jan 22 1979 | Piston actuated, pilot valve operated breathing regulator | |
4489721, | Dec 30 1982 | The Regents of the University of California | Double lumen tube adaptor and valve system for medical anesthesia circuits |
4493339, | May 05 1982 | Parker Intangibles LLC | Air valve for a breathing system |
233372, | |||
GB2162070, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Feb 18 1987 | RUDOLPH, HANS | HANS RUDOLPH, INC , 7200 WYANDOTTE, KANSAS CITY, MO , 64114, A CORP OF MO | ASSIGNMENT OF ASSIGNORS INTEREST | 004678 | /0796 | |
Feb 18 1987 | RUDOLPH, KEVIN A | HANS RUDOLPH, INC , 7200 WYANDOTTE, KANSAS CITY, MO , 64114, A CORP OF MO | ASSIGNMENT OF ASSIGNORS INTEREST | 004678 | /0796 | |
Mar 16 1987 | Hans Rudolph, Inc. | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |