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Patent
   D262820
Priority
Jun 11 1979
Filed
Jun 11 1979
Issued
Jan 26 1982
Expiry
Jan 26 1996
Inventors
Carruthers…
Assg.orig
Fleming Fa…
Assg.curr
Fleming Fa…
Entity
unknown
Referenced by
2
References
6
Maint.:
n/a
The ornamental design for a heat exchanger, substantially as shown.

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

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a bottom view.
INVENTORS:

Carruthers, Thomas R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D304855, Aug 19 1985 Sanden Corporation Heat exchanger
D304856, Aug 19 1985 Sanden Corporation Heat exchanger
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2418405,
2587720,
3402102,
3735588,
4085491, Mar 01 1976 Solar energy heat exchanger and method for making same
205870,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 11 1979Fleming Fabrications Ltd.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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