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Publication numberUSD471981 S1
Publication typeGrant
Application numberUS 29/076,617
Publication dateMar 18, 2003
Filing dateSep 3, 1997
Priority dateSep 3, 1997
Also published asUS6113632
Publication number076617, 29076617, US D471981 S1, US D471981S1, US-S1-D471981, USD471981 S1, USD471981S1
InventorsThomas H. Reif
Original AssigneeRepublic Medical Products Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Heart valve stiffening ring
US D471981 S1
Abstract  available in
Images(3)
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Claims(1)
  1. The ornamental design for a heart valve stiffening ring, as shown and described.
Description

FIG. 1 is a top perspective view of a heart valve stiffening ring showing my new design;

FIG. 2 is a top plan view of the heart valve stiffening ring of FIG. 1;

FIG. 3 is a bottom plan view of the heart valve stiffening ring of FIG. 1;

FIG. 4 is a side elevational view of the heart valve stiffening ring of FIG. 1; and,

FIG. 5 is an elevational view of the heart valve stiffening ring showing an opposite side from that illustrated in FIG. 4.

The broken line showing of the heart valve annular channel shaped body in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

Classifications
U.S. ClassificationD24/155
International ClassificationA61F2/24
Cooperative ClassificationA61F2/2409
European ClassificationA61F2/24C