Heating chamber for a portable heater

Description

FIG. 1 is a front elevational view of a heating chamber for a portable heater, showing our new design;

FIG. 2 is a sectional view thereof, taken along line 2--2 of FIG. 1;

FIG. 3 is a sectional view thereof, taken along line 3--3 of FIG. 1;

FIG. 4 is a sectional view thereof, taken along line 4--4 of FIG. 1;

FIG. 5 is a front elevational view of a second embodiment of a heating chamber for a portable heater;

FIG. 6 is a sectional view thereof, taken along line 6--6 of FIG. 5;

FIG. 7 is a partial sectional view taken along line 7--7 of FIG. 5;

FIG. 8 is a front elevational view of a third embodiment of a heating chamber for a portable heater;

FIG. 9 is a sectional view thereof, taken along line 9--9 of FIG. 8.

The broken line disclosure of a portable heater is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D276458 November 20, 1984 Mori et al.
D276547 November 27, 1984 Nishikawa
4458664 July 10, 1984 Uchida et al.
4474166 October 2, 1984 Shaftner
4488536 December 18, 1984 Kojima et al.
Foreign Patent Documents
156125 September 1983 JPX
Patent History
Patent number: D287752
Type: Grant
Filed: Mar 7, 1984
Date of Patent: Jan 13, 1987
Assignee: Toshiba Heating Appliances Co., Ltd. (Kamo)
Inventors: Nobuyuki Kojima (Niigata), Youichi Sekigawa (Niigata), Makoto Kobiyama (Niigata)
Primary Examiner: Catherine E. Kemper
Attorney: Rey Eilers
Application Number: 6/586,987
Classifications
Current U.S. Class: D23/127