Patent
   D312684
Priority
Oct 07 1988
Filed
Oct 07 1988
Issued
Dec 04 1990
Expiry
Dec 04 2004
Assg.orig
Entity
unknown
12
49
n/a
The ornamental design for a parabolic electric heater, as shown and described.

FIG. 1 is a front and top-left side perspective view of a parabolic electric heater showing our new design;

FIG. 2 is an enlarged left side elevational view thereof, the right side being a mirror image of that shown;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged rear elevational view thereof;

FIG. 5 is an enlarged top plan view thereof; and

FIG. 6 is an enlarged bottom plan view thereof.

The fragmentary broken-line showing of an electrical cord in FIGS. 1, 2 and 4, is for illustrative purposes only and forms no part of the claimed design.

Geissler, Richard L., Kelly, Roger L.

Patent Priority Assignee Title
D385022, Jul 20 1995 Sunbeam Products, Inc Parabolic heater
D391355, Dec 19 1995 NATIONAL PRESTO INDUSTRIES, INC Parabolic electric heater
D412565, Aug 20 1998 Electric heater
D413660, May 20 1998 Electric heater
D456067, May 08 2001 NATIONAL PRESTO INDUSTRIES, INC Parabolic heater
D456500, May 08 2001 NATIONAL PRESTO INDUSTRIES, INC Heater
D503220, Aug 12 2003 JST Industries Co., Ltd. Electric heater
D633189, Nov 19 2009 NATIONAL PRESTO INDUSTRIES, INC Dish-style electric heater
D834162, Jan 06 2016 Mill International AS Electrical heater
D879272, May 20 2016 Electric heater
D909550, Sep 11 2019 THE MERCHANT OF TENNIS, INC Portable heater
D972095, Nov 18 2020 NATIONAL PRESTO INDUSTRIES, INC Tiltable heating device
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 07 1988National Presto Industries, Inc.(assignment on the face of the patent)
Nov 29 1988GEISSLER, RICHARD L NATIONAL PRESTO INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050270449 pdf
Nov 29 1988KELLY, ROGER L NATIONAL PRESTO INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050270449 pdf
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