Check valve for oxygen service
Description
FIG. 1 is a perspective view of a check valve for oxygen service;
FIG. 2 is front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top view thereof, of which a bottom view is a mirror image; and,
FIG. 5 is a right side view, of which a left side view is a mirror image.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a check valve for oxygen service, as shown and described.
Referenced Cited
U.S. Patent Documents
D496091 | September 14, 2004 | Katzman et al. |
Patent History
Patent number: D536443
Type: Grant
Filed: Mar 16, 2005
Date of Patent: Feb 6, 2007
Inventor: Thomas Latsos (Englewood, NJ)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Christopher Lee
Attorney: Myron Amer, PC
Application Number: 29/225,388
Type: Grant
Filed: Mar 16, 2005
Date of Patent: Feb 6, 2007
Inventor: Thomas Latsos (Englewood, NJ)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Christopher Lee
Attorney: Myron Amer, PC
Application Number: 29/225,388
Classifications