US3812839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable camp stove
Assignee: Raytheon Co
•
Filing: 1973-03-01
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Granted: 1974-05-28
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Expires: 1993-03-01
Abstract
Abstract A portable camp stove which comprises an arrangement of bottom, back, front and end sections hingedly connected together so as to be assembled in one position of use and to be folded into a compacted relationship for portability, together with gas burners for top cooking and additional gas heating elements for selective broiling and baking operation.
Inventors
- 👤 P Helgeson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:28
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/14; F24C3/02; F24C3/027
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
97 words
A collapsible stove comprising a base, a back hinged to one end of the base, a pair of side panels hinged to respective ends of said back, means for detachably securing said side panels to respective sides of said base to define therewith an oven compartment, a top burner unit removably carried within the upper portion of said oven compartment, a bake-broil unit removably positioned in a selected upper or lower area of the oven compartment, and means for connecting a supply of gaseous fuel to said units irrespective of their adjusted positions in the oven compartment.
Claim 2
Dependent Claim
97 words
A collapsible stove comprising a base, a back hinged to one end of the base, a pair of side panels hinged to respective ends of said back, means for detachably securing said side panels to respective sides of said base to define therewith an oven compartment, a top burner unit removably carried within the upper portion of said oven compartment, a bake-broil unit removably positioned in a selected upper or lower area of the oven compartment, and means for connecting a supply of gaseous fuel to said units irrespective of their adjusted positions in the oven compartment.
Claim 3
Dependent Claim
144 words
A collapsible stove comprising a base section and a back section hinged together for movement into adjacent spaced parallel positions or alternatively into positions perpendicular to one another, a pair of side sections hinged to respective ends of one of said base and back sections for movement alternatively into positions parallel with or perpendicular to said section to which they are hinged, means for detachably securing said side sections when in said perpendicular positions to the other of said sections for defining therewith an oven compartment, top burner means located in the upper portion of the oven compartment, second burner means removably positioned within said oven compartment below the top burner means at selected different bake-broil operating locations therein, and connecting means for connecting a supply of gaseous fuel to both of said burner means irrespective of the positions thereof in the oven compartment.
Claim 4
Dependent Claim
144 words
A collapsible stove comprising a base section and a back section hinged together for movement into adjacent spaced parallel positions or alternatively into positions perpendicular to one another, a pair of side sections hinged to respective ends of one of said base and back sections for movement alternatively into positions parallel with or perpendicular to said section to which they are hinged, means for detachably securing said side sections when in said perpendicular positions to the other of said sections for defining therewith an oven compartment, top burner means located in the upper portion of the oven compartment, second burner means removably positioned within said oven compartment below the top burner means at selected different bake-broil operating locations therein, and connecting means for connecting a supply of gaseous fuel to both of said burner means irrespective of the positions thereof in the oven compartment.
Claim 5
Dependent Claim
36 words
A collapsible stove as set forth in claim 2 wherein said side sections carry opposed pairs of supports on the inner surfaces, and said top burner means is positioned on one of said pairs of supports.
Claim 6
Dependent Claim
58 words
A collapsible stove as set forth in claim 2 wherein said top burner means includes at least one burner housing and a venturi extending from said housing toward one of said sections, said one section is provided with an aperture adjacent said venturi, and said connecting means comprises a conduit functionally interconnected to said venturi adjacent said aperture.
Claim 7
Dependent Claim
17 words
A collapsible stove as set forth in claim 4 wherein said one section is said back section.
Claim 8
Dependent Claim
33 words
A collapsible stove as set forth in claim 2 wherein said second burner means includes a burner unit removably positioned within the oven compartment at a selected level below the top burner means.
Claim 9
Dependent Claim
37 words
A collapsible stove as set forth in claim 6 wherein said side panels carry opposed pairs of supports on the inner surfaces, and said second burner means is positioned selectively on one of said pairs of supports.
Claim 10
Dependent Claim
78 words
A collapsible stove as set forth in claim 6 wherein said second burner means includes a burner housing and a venturi extending from said burner housing toward one of said sectionS, said one section is provided with a plurality of apertures disposed for adjacent alignment with said venturi at the different selected locations of the second burner means in the oven compartment, and said connecting means comprises a conduit functionally interconnected to said venturi adjacent the adjacent aperture.
Claim 11
Dependent Claim
17 words
A collapsible stove as set forth in claim 8 wherein said one section is said back section.
Claim 12
Dependent Claim
53 words
A collapsible stove as set forth in claim 6 wherein said back section is provided with apertures adjacent each of said burner means, a tube carrying a valve positioned adjacent the apertures which are associated with said top burner means, and conduit means connecting said valves and tubing to a source of fuel.
Claim 13
Dependent Claim
44 words
A collapsible stove as set forth in claim 10 comprising an additional valve carried by said tubing, and a flexible hose having one end attached to said additional valve, with its other end being adapted to be functionally interconnected with said second burner means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |