US3589269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic barbecue oven
Assignee: WEIR MAGIC PIT CORP
•
Filing: 1969-10-10
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Granted: 1971-06-29
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Expires: 1989-10-10
Abstract
Abstract Discloses a barbecue oven designed for unattended operation through the use of an electrically powered heating unit, and a pyrolytic smoke forming surface, heated by said heating unit and interposed between the barbecuing chamber and the heating coil so as to receive and pyrolyze meat drippings from the barbecue chamber to provide smoke within the oven. The electrically powered heating unit is thermostatically controlled through the use of a thermal sensing unit within the barbecuing chamber and is timed through the use of a timer so as to cook the meat for a specified time.
Inventors
- 👤 John E Weir Sr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:26
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
136 words
A barbecuing oven for barbecuing meat, which comprises: A. an essentially gastight housing including front, side, rear and top, insulated walls and a floor, said housing including: 1. a heat producing and smoke forming chamber, and, 2. a barbecuing chamber, said barbecuing chamber being in communication with said heat and smoke forming chamber, 3. said heat and smoke forming chamber including: a. an electrical heating element, and, b. a pyrolytic smoke forming surface mounted in proximity to said heating element, said pyrolytic smoke forming surface being heated by said heating element; 4. said barbecuing chamber, including: a. racks for supporting meat to be barbecued, and, b. means for directing drippings from said meat to said pyrolytic smoke forming surface, and, B. An access opening in said housing for introduction and removal of meat from said oveN.
Claim 2
Dependent Claim
136 words
A barbecuing oven for barbecuing meat, which comprises: A. an essentially gastight housing including front, side, rear and top, insulated walls and a floor, said housing including: 1. a heat producing and smoke forming chamber, and, 2. a barbecuing chamber, said barbecuing chamber being in communication with said heat and smoke forming chamber, 3. said heat and smoke forming chamber including: a. an electrical heating element, and, b. a pyrolytic smoke forming surface mounted in proximity to said heating element, said pyrolytic smoke forming surface being heated by said heating element; 4. said barbecuing chamber, including: a. racks for supporting meat to be barbecued, and, b. means for directing drippings from said meat to said pyrolytic smoke forming surface, and, B. An access opening in said housing for introduction and removal of meat from said oveN.
Claim 3
Dependent Claim
16 words
a barbecuing chamber, said barbecuing chamber being in communication with said heat and smoke forming chamber,
Claim 4
Dependent Claim
16 words
a barbecuing chamber, said barbecuing chamber being in communication with said heat and smoke forming chamber,
Claim 5
Dependent Claim
50 words
A barbecuing oven, as defined in claim 1, in which said pyrolytic smoke forming surface includes a metal plate interposed between said means for directing drippings and said heating element so that said pyrolytic surface receives and pyrolizes drippings to form smoke and prevents drippings from coating the heating element.
Claim 6
Dependent Claim
18 words
A barbecuing oven, as defined in claim 2, in which said metal plate has a peripheral upturned flange.
Claim 7
Dependent Claim
37 words
said heat and smoke forming chamber including: a. an electrical heating element, and, b. a pyrolytic smoke forming surface mounted in proximity to said heating element, said pyrolytic smoke forming surface being heated by said heating element;
Claim 8
Dependent Claim
37 words
said heat and smoke forming chamber including: a. an electrical heating element, and, b. a pyrolytic smoke forming surface mounted in proximity to said heating element, said pyrolytic smoke forming surface being heated by said heating element;
Claim 9
Dependent Claim
44 words
said barbecuing chamber, including: a. racks for supporting meat to be barbecued, and, b. means for directing drippings from said meat to said pyrolytic smoke forming surface, and, B. An access opening in said housing for introduction and removal of meat from said oveN.
Claim 10
Dependent Claim
44 words
said barbecuing chamber, including: a. racks for supporting meat to be barbecued, and, b. means for directing drippings from said meat to said pyrolytic smoke forming surface, and, B. An access opening in said housing for introduction and removal of meat from said oveN.
Claim 11
Dependent Claim
24 words
A barbecuing oven, as defined in claim 3, in which the pyrolytic smoke forming surface includes pieces of refractory material on said metal plate.
Claim 12
Dependent Claim
25 words
A barbecuing oven, as defined in claim 1, in which: A. said barbecuing chamber is vertically spaced above said heat producing and smoke forming chamber.
Claim 13
Dependent Claim
35 words
A barbecuing oven, as defined in claim 5, in which: A. said racks are vertically spaced above the floor of said barbecuing chamber, and, B. said floor is inclined toward said pyrolytic, smoke forming surface.
Claim 14
Dependent Claim
30 words
A barbecuing oven, as defined in claim 1, the further combination therewith of an exhaust flue in communication with said barbecuing chamber to direct excess smoke away from said chamber.
Claim 15
Dependent Claim
27 words
A barbecuing oven, as defined in claim 7, the further combination with said exhaust flue of a damper which in full closed position effectively seals said flue.
Claim 16
Dependent Claim
35 words
A barbecuing oven, as defined in claim 1, the further combination with said electric heating element of a thermostat in electrical interconnection therewith and which includes a thermal sensing means located in said barbecuing chamber.
Claim 17
Dependent Claim
29 words
A barbecuing oven, as defined in claim 1, the further combination with said electrical heating element of a timing mechanism which is electrically interconnected with said electrical heating element.
Claim 18
Dependent Claim
39 words
A barbecuing oven, as defined in claim 1, in which said pyrolytic smoke forming surface is a drip pan fabricated of light gauge aluminum sheet material, which is removable and disposable from said heat producing and smoke forming chamber.
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |