US3837270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electrically heated combination oven boiler and open grate cooking unit
Assignee: Individual
•
Filing: 1974-03-26
•
Granted: 1974-09-24
•
Expires: 1994-03-26
Abstract
Abstract A portable electric cooking unit including an upright rectangular housing having a horizontal partition forming a lower door opened and closed oven compartment and an upper door opened and closed boiling compartment and having a griddle supported above its top wall. A closable baking and roasting container is freely received by the oven compartment and a plurality of upwardly open containers are removably received by the boiling compartment.
Inventors
- 👤 T Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:26
CPC Classifications
A; A47; A47J; A47J37/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
162 words
A portable electrically heated combination oven, boiler and open grate cooking unit, comprising: an upright rectangular housing having interconnected top, bottom, back and side walls defining an open front for said housing; a partition horizontally dividing said housing intermediate its height and forming upper and lower cooking compartments; a lower door hingedly connected with said housing adjacent its bottom wall for opening and closing the lower cooking compartment; an upper door hingedly connected with said housing adjacent the plane of said partition for opening and closing the upper cooking compartment; electrical resistance heating elements disposed adjacent the inner surface of said side walls and overlying the upper surface of said bottom wall, said partition and said top wall; wiring connecting said heating elements with a source of electrical energy; and, a griddle having a perimeter wall overlying the heating elements on said top wall, said griddle having a pair of transverse division walls forming a plurality of substantially equal area cooking surfaces.
Claim 2
Dependent Claim
162 words
A portable electrically heated combination oven, boiler and open grate cooking unit, comprising: an upright rectangular housing having interconnected top, bottom, back and side walls defining an open front for said housing; a partition horizontally dividing said housing intermediate its height and forming upper and lower cooking compartments; a lower door hingedly connected with said housing adjacent its bottom wall for opening and closing the lower cooking compartment; an upper door hingedly connected with said housing adjacent the plane of said partition for opening and closing the upper cooking compartment; electrical resistance heating elements disposed adjacent the inner surface of said side walls and overlying the upper surface of said bottom wall, said partition and said top wall; wiring connecting said heating elements with a source of electrical energy; and, a griddle having a perimeter wall overlying the heating elements on said top wall, said griddle having a pair of transverse division walls forming a plurality of substantially equal area cooking surfaces.
Claim 3
Dependent Claim
27 words
The cooking unit according to claim 1 and further including: a box-like roasting and baking container having a door removably received loosely by said lower cooking compartment.
Claim 4
Dependent Claim
40 words
The cooking unit according to claim 2 and further including: a plurality of upwardly open liquid containers removably received in juxtaposed relation by said upper cooking compartment; and, a container support base interposed between said partion and said liquid containers.
Claim 5
Dependent Claim
52 words
The cooking unit according to claim 3 in which said liquid containers each have a bottom surface dimensioned to be supported by the respective equal area cooking surface of said griddle in contiguous contacting relation; and, at least one upwardly open wire basket dimensioned to be removably received by said liquid containers.
Claim 6
Dependent Claim
47 words
The cookinG unit according to claim 4 and further including: lifting means connected with each said container and said griddle, respectively, each said lifting means comprising a pair of lugs interconnected by a horizontal cross bar; and, a J-hook shaped handle removably engageable with said cross bar.
Claim 7
Dependent Claim
27 words
The cooking unit according to claim 5 in which said housing is provided with a vent pipe communicating with said upper and said lower cooking compartments, respectively.
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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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |