Patent
   D304856
Priority
Aug 19 1985
Filed
Aug 19 1985
Issued
Nov 28 1989
Expiry
Nov 28 2003

TERM.DISCL.
Assg.orig
Entity
unknown
6
26
n/a
The ornamental design for a heat exchanger, as shown and described.

FIG. 1 is a front elevational view of a heat exchanger showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof, the right side being a mirror image;

FIG. 6 is a front perspective view thereof, the rear being a mirror image.

The rear perspective view thereof is substantially the same as a front perspective view thereof.

Aoki, Hisao

Patent Priority Assignee Title
5101890, Apr 24 1989 Sanden Corporation Heat exchanger
D532499, May 17 2005 TIG CO , LTD Heat exchange unit
D533929, May 17 2005 TIG CO , LTD Heat exchange unit
D534257, May 17 2005 TIG CO , LTD Heat exchange unit
D632131, Aug 28 2009 Premark FEG L.L.C.; PREMARK FEG L L C Fryer heat exchange tube
D687535, Oct 10 2011 Applied Materials, Inc Heater plate and heater element assembly
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//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 30 1985AOKI, HISAOSANDEN CORPORATION, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0044470281 pdf
Aug 19 1985Sanden Corporation(assignment on the face of the patent)
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