Stoves and furnaces – Stoves – Heating
Reexamination Certificate
1999-07-21
2001-12-11
Lazarus, Ira S. (Department: 3743)
Stoves and furnaces
Stoves
Heating
C126S194000, C126S0250AA, C126S004000, C126S01900R, C049S397000, C016S263000
Reexamination Certificate
active
06328029
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to the use of cast iron in the manufacture of portable stoves for use by the general public. More specifically, the stove of the present invention is designed to burn cans of fireplace fuel better known as gelled alcohol, and for this reason the stove has been designed without exterior venting capabilities.
Stoves in use today for heating an indoor enclosed space are generally made of welded steel construction, cast iron or a combination of both for use in cooking and heating. Some stoves are designed for the use of natural gas as the fuel. These stoves may be ventless, but at the same time require a connection to a gas supply. Like woodburning stoves, once they are in place, they cannot easily be moved about without the need to either re-vent (if they have a vent) or at least be connected to a new gas line. Also these types of stoves are generally heavy and require several people to be able to move them. As with the ventless gas burning stoves, there is also the concern of oxygen depletion and the build up of carbon monoxide within the space being heated. This is also true of the fake fireplaces that burn gelled alcohol. Their design incorporates the use of burning two to four cans of the fuel at the same time. Of course this problem can be minimized and even eliminated by an opening of a window to allow for a fresh air flow, but the potential for this hazard remains and if the stove is being used as source of heat, having a window open even an inch will take away from the efficiency of the stove to heat a room.
Many of the existing stove designs are quite complicated and comprise a large number of parts requiring difficult and time consuming assembly.
SUMMARY OF THE INVENTION
The size of the stove of the present invention has been scaled down from most wood or gas burning stoves to reduce the weight to below 75 pounds and thus to make it light enough for any one person to pick up and carry or move. Because this stove does not require exterior venting, it can be used anywhere in the home and outside. The design makes the stove decorative as well as functional. That is, the stove will provide immediate heat by convection due to vent openings provided in a top grill plate, and long lasting, even, radiant heat due to the cast iron construction and shape of the stove body. The stove is designed to burn only one can of gelled alcohol at any one time, thus eliminating the concerns of oxygen depletion associated with an open flame in a closed room. By using gelled alcohol, this stove does not produce air pollutants and therefore does not have to be cleaned of any remaining soot and ash such as left behind from the burning of wood or coal.
It is therefore an object of the present invention to provide a stove having complete mobility and ease of use.
It is a further object of the invention to provide a stove that combines both the warmth and charm of a fireplace or a woodburning stove with the ambiance of burning candles.
It is a further object to provide a stove that can truly be portable, can be used where space is at a premium and is functional as well as decorative.
It is a further object to provide a stove which can be easily assembled with a minimum of parts, and, specifically, with a minimum of different parts.
Other objects and advantages of the present invention are described below with respect to an embodiment shown in the drawings.
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Cocks Josiah C.
Lazarus Ira S.
Nuter Paul J.
Sonnenschein Nath & Rosenthal
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