Patent
   D275029
Priority
Jun 02 1980
Filed
Jun 02 1980
Issued
Aug 07 1984
Expiry
Aug 07 1998
Assg.orig
Entity
unknown
7
3
n/a
The ornamental design for an automatic temperature sensing electric heater, substantially as shown.

FIG. 1 is a top front perspective view of an automatic temperature sensing electric heater, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof.

Boldt, Melvin H., Stevens, James P., Morrison, Thurber H.

Patent Priority Assignee Title
D299524, Sep 12 1986 Combined air cooler and heater
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D819797, Aug 05 2013 Air purifier
D898885, Oct 26 2017 MIRO CO., LTD. Electric heater and humidifier device
ER676,
Patent Priority Assignee Title
113294,
D246254, Aug 08 1975 Firma Elektro-Warme Technik Heater
D257059, Nov 03 1977 Firma Petz Electro Heater
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 02 1980National Presto Industries, Inc.(assignment on the face of the patent)
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