Stoves and furnaces – Fireplaces or accessories – Fluid fuel
Reexamination Certificate
1998-12-30
2001-02-27
Price, Carl D (Department: 3743)
Stoves and furnaces
Fireplaces or accessories
Fluid fuel
C431S125000, C431S202000, C431S126000, C126S08500R, C126S0390BA, C126S503000
Reexamination Certificate
active
06192881
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to fireplaces, more particularly, to portable outdoor fireplaces having a detachable gas fuel source.
BACKGROUND OF THE INVENTION
Gas fired fireplaces are well known in the art. The available art is generally focused on providing means for cooking, either indoors or outdoors. The prior art provides devices that a user can use to enhance or augment an existing gas barbecue or to provide a “stand alone” cooking device. Other devices provide portable wood burning firepits.
Representative of the art is:
U.S. Pat. No. 5,413,087 (1995) to Jean discloses a gas burner mounted in the base of a surrounding bowl with an encircling open wire stand for a cooking utensil.
U.S. Pat. No. 5,203,317 (1993) to James discloses an auxiliary burner unit for mounting on a shelf of a barbecue grill cart or the like.
U.S. Pat. No. 5,094,223 (1992) to Gonzalez discloses a portable wood-burning fire pit apparatus which includes a fire bowl base, a cylindrical wood receiving chamber, a pair of separately controlled gas rings encircling the chamber, a propane gas tank releasably connected to the apparatus and gas rings via a flexible hose and manual quick-release coupling.
U.S. Pat. No. 4,903,683 (1990) to Larsen et al. discloses a system which includes a method and apparatus which facilitates the use of Dutch ovens combined with a charcoal heating source in outdoor cooking.
U.S. Pat. No. 4,788,962 (1988) to Mashburn et al. discloses a barbecue apparatus having its components coaxially disposed on a flanged base supported from a cantilevered arm anchored to a support tube or the like.
U.S. Pat. No. 4,705,020 (1987) to Hahn discloses an improved gas cooker of the type having a housing, a burner supported in the housing, and a fixture for supplying gas to the burner.
U.S. Pat. No. 4,553,524 (1985) to Wheat et al. discloses a portable, compact, gas-fired cooking and barbecuing device for frying and boiling food in conventional cooking utensils or barbecuing food when a barbecuing attachment is utilized.
U.S. Pat. No. 4,108,142 (1978) to Barson et al. discloses a portable barbecue having demountable components including a support structure, a bas burner, a flat or domed hot plate above the burner mounted on the support structure, the hot plate having a plurality of peripheral apertures draining cooking liquids from the hot plate into an annular receptacle therebeneath.
U.S. Pat. No. 3,410,261 (1968) to Cooper et al. discloses a charcoal grilling apparatus consisting of a container for holding heated fuel with a grill supported thereover and support means extending below the container which includes an ignition device in the form of a canister of flammable gas.
What is needed is a portable fireplace that can be used in lieu of a natural wood fire in a firepit. What is needed is a portable fireplace having a windscreen that can be used in windy conditions. What is needed is a portable fireplace that can use a wide range of available fuel gas sources. What is needed is a portable fireplace that has a fluid containing burner to provide the visual effect of flames emerging from a fluid surface. What is needed is a portable fireplace that has a quick-connect to a fuel gas source. What is needed is a portable fireplace that provides a sparkless flame. The present invention meets these needs.
SUMMARY OF THE INVENTION
The primary aspect of the invention is to provide a portable fireplace having a planar base.
Another aspect of the invention is to provide a portable fireplace using gas as a fuel source.
Another aspect of the invention is to provide a portable fireplace having a plurality of gas orifices.
Another aspect of the invention is to provide a portable fireplace having a windscreen.
Another aspect of the invention is to provide a portable fireplace having a safety valve.
Another aspect of the invention is to provide a portable fireplace having a quick-connect to a fuel source.
Another aspect of the invention is to provide a portable fireplace having a stand and carrying case.
Another aspect of the invention is to provide a portable fireplace providing a smokeless flame.
Another aspect of the invention is to provide a portable fireplace providing a sparkless flame.
Another aspect of the invention is to provide a portable fireplace providing a fluid filled burner.
Another aspect of the invention is to provide a portable fireplace providing a high flame.
Another aspect of the invention is to provide a portable fireplace providing a large spacing between orifices.
Another aspect of the invention is to provide a portable fireplace having a cover that is used as a stand.
Other aspects of this invention will appear from the following description and appended claims, reference being made to the accompanying drawings forming a part of this specification wherein like reference characters designate corresponding parts in the several views.
The invention comprises a portable open flame fireplace. The invention has a planar base with a plurality of gas orifices. The base is of any desired shape. The gas is directed through gas channels in the base to each orifice, where it emerges and ignites. The base may be enclosed with a watertight windscreen. The windscreen encloses the flame. The windscreen may also contain a non-combustible fluid such as water, which allows the illusion of flames emerging from a free water surface. The invention further comprises a detachable portable fuel source, such as a propane gas bottle or a recreational vehicle fuel system. The invention also has a removable cover for storage and transport.
REFERENCES:
patent: 1101721 (1914-06-01), Van Hoesen
patent: 3038064 (1962-06-01), Gieb
patent: 3410261 (1968-11-01), Cooper et al.
patent: 3565337 (1971-02-01), Ditto
patent: 3830217 (1974-08-01), Maness et al.
patent: 3892519 (1975-07-01), Reed et al.
patent: 4108142 (1978-08-01), Barson et al.
patent: 4553524 (1985-11-01), Wheat et al.
patent: 4705020 (1987-11-01), Hahn
patent: 4721037 (1988-01-01), Blosnich
patent: 4788962 (1988-12-01), Mashburn et al.
patent: 4858826 (1989-08-01), Robinson et al.
patent: 4903683 (1990-02-01), Larsen et al.
patent: 5094223 (1992-03-01), Gonzalez
patent: 5203317 (1993-04-01), James
patent: 5320520 (1994-06-01), Barth et al.
patent: 5374191 (1994-12-01), Herman et al.
patent: 5413087 (1995-05-01), Jean
patent: 5575195 (1996-11-01), Foxford
patent: 5655435 (1997-08-01), Rachesky
patent: 5700142 (1997-12-01), Miller et al.
patent: 5738084 (1998-04-01), Hussong
patent: 2331802 (1999-02-01), None
patent: 2-75827 (1990-02-01), None
Martin Rick
Patent Law Offices of Rick Martin P.C.
Price Carl D
LandOfFree
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