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Publication numberUSD606167 S1
Publication typeGrant
Application numberUS 29/328,863
Publication dateDec 15, 2009
Filing dateDec 3, 2008
Priority dateDec 3, 2008
Also published asCA131093S
Publication number29328863, 328863, US D606167 S1, US D606167S1, US-S1-D606167, USD606167 S1, USD606167S1
InventorsSpencer M. Nimberger
Original AssigneePgi International, Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Check valve
US D606167 S1
Abstract  available in
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  1. The ornamental design for a check valve, as shown and described.

FIG. 1 is a top, front perspective view of a check valve;

FIG. 2 is a top, rear perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a top view thereof.

The broken lines showing for unclaimed portions of the check valve in FIGS. 1–2 and 46 form no part of the claimed design.

U.S. ClassificationD23/233