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Patent
   D274353
Priority
Mar 03 1981
Filed
Mar 03 1981
Issued
Jun 19 1984
Expiry
Jun 19 1998
Inventors
Ciarlei, J…
Assg.orig
CARRIER CO…
Assg.curr
Carrier Co…
Entity
unknown
Referenced by
20
References
1
Maint.:
n/a
The ornamental design for a heat exchange unit, as shown and described.

The FIGURE is a perspective view of a heat exchanger unit showing our new design.

All sides of the heat exchange unit which are not shown are identical to the side which is shown. The bottom surface of the heat exchange unit is substantially planar and unornamented.
INVENTORS:

Ciarlei, Joseph A., Haas, Rudy E., Smorol, Michael E., Hoyle, Walter W., O'Mara, Raymond D.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D355962, Aug 20 1993 HONEYWELL CONSUMER PRODUCTS, INC Air cleaner
D377523, Aug 15 1995 HONEYWELL CONSUMER PRODUCTS, INC Air cleaner
D806843, Nov 16 2015 Air purifier
D835766, Nov 10 2017 XIAMEN AIRPPLE ELECTRONIC INDUSTRY CO., LTD. Air purifier
D836760, Nov 17 2016 BLUEAIR AB Air cleaner
D840527, May 23 2017 Vornado Air, LLC Humidifier
D844767, Jan 24 2018 XIAMEN AIRPPLE ELECTRONIC INDUSTRY CO., LTD. Air purifier
D855787, Mar 20 2018 IRIS OHYAMA INC. Air circulator
D877874, Mar 26 2018 GUANGDONG WAPU TECHNOLOGY CO., LTD. Air purifier
D886268, May 25 2018 CRANE USA INC Evaporative humidifier and air purifier device
D890905, Mar 01 2019 Lasko Operation Holdings, LLC Air purifier
D903076, Jul 25 2016 Electrolux Appliances Aktiebolag Air conditioner
D905220, Feb 28 2019 Lasko Operation Holdings, LLC Air purifier
D905836, Jul 26 2019 HEFEI YIXINDA ELECTRONIC COMMERCE CO., LTD. Portable air conditioner
D934403, Dec 25 2019 MIDEA GROUP CO , LTD Humidifier
D979029, Nov 16 2020 AIRPLOVE XIAMEN ELECTRONIC CO , LTD Air purifier for vehicle
D979030, Oct 20 2022 Air purifier
D980400, Sep 16 2022 Shenzhen Xincheng Innovation Technology Co., Ltd. Air purifier
ER2231,
ER7799,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4202409, Mar 23 1978 Carrier Corporation One piece top cover with stamped open louvers and motor mount
ASSIGNMENT RECORDS    Assignment records on the USPTO
//////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 26 1981HOYLE WALTER W CARRIER CORPORATION, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0038700058 pdf
Feb 26 1981SMOROL MICHAEL E CARRIER CORPORATION, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0038700058 pdf
Feb 26 1981HAAS RUDY E CARRIER CORPORATION, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0038700058 pdf
Feb 26 1981O MARA RAYMOND D CARRIER CORPORATION, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0038700058 pdf
Feb 26 1981CIARLEI JOSEPH A CARRIER CORPORATION, A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0038700058 pdf
Mar 03 1981Carrier Corporation(assignment on the face of the patent)
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