Patent CH252115A successfully refreshed from Google Patents.
US4430985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatically controlled charcoal cooker
Assignee: Individual
•
Filing: 1982-01-28
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Granted: 1984-02-14
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Expires: 2002-01-28
Abstract
Abstract A charcoal cooker comprising a vessel having a lid providing for access to the interior of the vessel, a removable rack for supporting food during a cooking operation, a fire box adjustably disposed within the vessel and spaced below the rack for supplying heat during the cooking operation, and thermostatically actuated valves provided for the vessel and responsive to the internal temperatures in the cooker for alternately opening and closing to automatically maintain a preselected temperature within the vessel during an entire cooking operation.
Inventors
- 👤 Robert C. Huneycutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:18
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0704; F; F24; F24B; F24B1/00; F24B1/20; F24B1/202; Y; Y02; Y02A; Y02A40/00; Y02A40/90; Y02A40/924; Y02A40/928
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
197 words
A thermostatically controlled self-contained charcoal cooker comprising a receptacle having a lid providing access to the interior thereof, rack means removably supported within the receptacle for receiving food thereon to be cooked, a firebox adjustably disposed within the receptacle for providing variable distance between the cooking heat and the food on the rack means, dual valve means providing communication between the interior and exterior of the receptacle for controlling the supply of air to the interior of the cooker, the dual valve means comprising a first valve disposed in an inlet in the proximity of the lower portion of the cooker for controlling the supply of air to the proximity of the lower portion of the firebox, and a second valve disposed in an outlet in the proximity of the upper portion of the cooker for controlling the supply of air thereto, and connector rod means operably connected between the valves for simultaneous opening and closing of the valves, and heat sensitive control means disposed to sense the temperature within the cooker and operably connected with the valve means for opening and closing of the valves for controlling the temperature within the cooker during a cooking operation.
Claim 2
Dependent Claim
197 words
A thermostatically controlled self-contained charcoal cooker comprising a receptacle having a lid providing access to the interior thereof, rack means removably supported within the receptacle for receiving food thereon to be cooked, a firebox adjustably disposed within the receptacle for providing variable distance between the cooking heat and the food on the rack means, dual valve means providing communication between the interior and exterior of the receptacle for controlling the supply of air to the interior of the cooker, the dual valve means comprising a first valve disposed in an inlet in the proximity of the lower portion of the cooker for controlling the supply of air to the proximity of the lower portion of the firebox, and a second valve disposed in an outlet in the proximity of the upper portion of the cooker for controlling the supply of air thereto, and connector rod means operably connected between the valves for simultaneous opening and closing of the valves, and heat sensitive control means disposed to sense the temperature within the cooker and operably connected with the valve means for opening and closing of the valves for controlling the temperature within the cooker during a cooking operation.
Claim 3
Dependent Claim
18 words
A thermostatically controlled self-contained charcoal cooker as set forth in claim 1 wherein the valves are gate valves.
Claim 4
Dependent Claim
45 words
A thermostatically controlled self-contained charcoal cooker as set forth in claim 2 wherein the heat sensitive control means is operably connected with the connector rod means for actuation thereof for opening and closing of the valves in response to the internal temperature of the cooker.
Claim 5
Dependent Claim
67 words
A thermostatically controlled self-contained charcoal cooker as set forth in claim 1 wherein the heat sensitive control means comprises a bi-metal spring operably connected with the valves and responsive to the internal temperature of the cooker for alternately opening and closing of the valves for controlling the supply of air to the interior of the cooker and maintaining a preselected cooking temperature therein during a cooking operation.
Claim 6
Dependent Claim
38 words
A thermostatically controlled self-contained charcoal cooker as set forth in claim 1 wherein the firebox comprises a funnel-shaped container for receiving cooking fuel therein whereby the burning of the fuel is from the bottom of the fuel supply.
Claim 7
Dependent Claim
44 words
A thermostatically controlled self-contained charcoal cooker as set forth in claim 5 wherein the firebox is provided with a plurality of apertures in the lower portion thereof for directing oxygen to the bottom of the fuel supply for factilitating the burning of the fuel.
Claim 8
Dependent Claim
35 words
A thermostatically controlled self-contained charcoal cooker as set forth in claim 1 and including bracket means secured to the inner periphery of the receptacle for providing said adjustability for the position of the firebox therein.
References Cited (Backward Citations)
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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) | 1987-02-13 | 1987-08-15 | 1988-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-13 | 1991-08-15 | 1992-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-13 | 1995-08-15 | 1996-02-14 | $7700.00 | Window Closed / Lapsed |