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Publication numberUSD347465 S
Publication typeGrant
Application numberUS 29/012,221
Publication dateMay 31, 1994
Filing dateAug 26, 1993
Publication number012221, 29012221, US D347465 S, US D347465S, US-S-D347465, USD347465 S, USD347465S
InventorsCosmo Luppino
Original AssigneeJames Hardie Irrigation Pty Limited
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Backflow prevention valve
US D347465 S
Images(1)
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Claims(1)
  1. The ornamental design for a backflow prevention valve, as shown and described.
Description

FIG. 1 shows a top plan view of a backflow prevention valve;

FIG. 2 shows a side view of a backflow prevention valve;

FIG. 3 shows a bottom plan view of a backflow prevention valve;

FIG. 4 shows a bottom perspective view of a backflow prevention valve; and,

FIG. 5 shows a top perspective view of a backflow prevention valve.

Classifications
U.S. ClassificationD23/233