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Publication numberUSD536443 S1
Publication typeGrant
Application numberUS 29/225,388
Publication dateFeb 6, 2007
Filing dateMar 16, 2005
Priority dateMar 16, 2005
Publication number225388, 29225388, US D536443 S1, US D536443S1, US-S1-D536443, USD536443 S1, USD536443S1
InventorsThomas Latsos
Original AssigneeThomas Latsos
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Check valve for oxygen service
US D536443 S1
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  1. The ornamental design for a check valve for oxygen service, as shown and described.

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.

U.S. ClassificationD24/110.6, D24/129, D23/235