Patent
   D300771
Priority
Sep 27 1984
Filed
Feb 22 1985
Issued
Apr 18 1989
Expiry
Apr 18 2003
Assg.orig
Entity
unknown
3
30
n/a
The ornamental design for a plate heat exchanger, as shown and described.

FIG. 1 is a left side elevational view of a plate heat exchanger showing my new design, the right side being a mirror image;

FIG. 2 is a front elevational view thereof, the top being identical and the rear and bottom being a mirror image;

FIG. 3 is an enlarged fragmentary view of the plate as seen in circle 3 in FIG. 2.

Holmberg, Roy

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3893509,
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4263967, Aug 23 1977 DRICON AIR PTY LTD , 23 COMMERCIAL STREET, MARLESTON, A CORP OF SOUTH AUSTRALIA Heat transfer pack
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//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 22 1985Flakt Aktiebolag(assignment on the face of the patent)
Nov 22 1988HOLMBERG, ROYFLAKT AKTIEBOLAG, SICLA ALLE 13, NACKA, SWEDEN, A JOINT-STOCK COMPANY, ORGANIZED UNDER SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0049920434 pdf
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