US3683792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric barbeque unit
Assignee: HAMILTONIAN INDUSTRIES Inc A CORP OF MI
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Filing: 1970-11-02
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Granted: 1972-08-15
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Expires: 1990-11-02
Abstract
Abstract An electric barbeque unit having an open-topped housing within which an imperforate open topped pan base is supported above which a grill to support food to be cooked is disposed, and with their being electrical heating element means arranged above the bottom of the pan base and below the grill with the electrical heating unit being substantially embedded in rocks supported in the base pan.
Inventors
- 👤 Richard N Groves Jr
- 👤 Robert L Cain
- 👤 Robert F Senn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:30
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0704; A47J37/0709
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
66 words
An electric barbeque unit comprising an open-topped housing, an imperforate open-topped metal base pan within said outer housing, a grill for supporting food to be barbequed supported within said outer housing, above and in close proximity to the upper edge of said base pan, a rock bed supported in said base pan, and electrical heating means embedded in said bed of rocks in said base pan.
Claim 2
Dependent Claim
66 words
An electric barbeque unit comprising an open-topped housing, an imperforate open-topped metal base pan within said outer housing, a grill for supporting food to be barbequed supported within said outer housing, above and in close proximity to the upper edge of said base pan, a rock bed supported in said base pan, and electrical heating means embedded in said bed of rocks in said base pan.
Claim 3
Dependent Claim
34 words
The electric barbeque unit of claim 1 characterized by said electrical heating means being substantially centered in said rock bed between the bottom of said base pan and the upper surface of said grill.
Claim 4
Dependent Claim
26 words
The electric barbeque unit of claim 1 in which said rocks of said rock bed have a specific gravity of from about 0.37 to about 0.90.
Claim 5
Dependent Claim
26 words
The electric barbeque unit of claim 2 in which said rocks of said rock bed have a specific gravity of from about 0.37 to about 0.90.
Claim 6
Dependent Claim
36 words
The electric barbeque unit of claim 4 in which said rocks of said rock bed are irregular in shape and range in size from a mean diameter of about one-fourth inch to about 1 1/4 inch.
Claim 7
Dependent Claim
73 words
The electric barbeque unit of claim 5 wherein the electrical heating means is embedded in the rock bed so that the electrical heating means as viewed from the top is approximately 80 percent covered by the rocks, and 20 percent of the electrical heating means is visible when looking straight down upon the rock bed and perpendicular to the plane of the electrical heating means between the openings of the irregularly shaped rocks.
Claim 8
Dependent Claim
72 words
The electric barbeque unit of claim 6 for operation from a power source of conventional 120 volt AC of 15 ampere service in which said electrical heating means is of double hair pin configuration of a power rating of about 1,650 watts at about 118 volt AC, and of a nominal diameter of 0.315 inch with a heated length of 62 inches aNd a watt density of 26.9 watts per square inch.
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |