Patent
   D419217
Priority
Oct 19 1998
Filed
Oct 19 1998
Issued
Jan 18 2000
Expiry
Jan 18 2014
Assg.orig
Entity
unknown
14
5
n/a
The ornamental design for check valve, as shown and described.

FIG. 1 is a perspective view of check valve showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top side elevational view thereof; and,

FIG. 7 is a bottom side elevational view thereof.

Lee, Kuo-Jium

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Patent Priority Assignee Title
2339101,
D242797, Dec 08 1975 Universal Cooperatives, Inc. Milk line check valve
D245482, Mar 26 1975 Aktiebolaget Atomenergi Pitot tube fitting
D260280, Jun 05 1978 GSW Limited/Limitee Check valve casing
27244,
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