Patent EP0685339A2 successfully refreshed from Google Patents.
Patent US4534987A successfully refreshed from Google Patents.
US4534987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of convection cooking of food
Assignee: TOASTED HOLDINGS Inc
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Filing: 1984-07-19
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Granted: 1985-08-13
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Expires: 2004-07-19
Abstract
Abstract Disclosed is a commercial convection cooking equipment having an outer casing and inner food cooking chamber forming channel(s) therebetween with air intake vent and fan to force air through such channel(s) to cool portions of the outer casing and then when such air is heated, to redirect the hot air back into the food cooking chamber.
Inventors
- 👤 J. Harrison Holman
- 👤 Jay C. Holman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:28
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0623; A47J37/04; A47J37/044; A47J37/0629; A47J37/0641
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
148 words
A method of cooking comprising the steps of: forming a food cooking unit having an outer casing with air intake vent means, an inner cooking chamber with air entry aperture means, at least one channel between said inner cooking chamber and a corresponding portion of said outer casing, and a heat source inside said inner cooking chamber for heating said inner cooking chamber; forcing air through said outer casing air intake means into and through said channel between said outer casing and said inner cooking chamber; cooling said outer casing around said channel by contact with said forced air; heating said flow of forced air by contact with said heated inner cooking chamber; directing said heated flow of forced air into said cooking chamber through said air entry aperture means allowing the heated air to assist in the cooking process; and cooking food in said food cooking unit.
Claim 2
Independent Claim
148 words
A method of cooking comprising the steps of: forming a food cooking unit having an outer casing with air intake vent means, an inner cooking chamber with air entry aperture means, at least one channel between said inner cooking chamber and a corresponding portion of said outer casing, and a heat source inside said inner cooking chamber for heating said inner cooking chamber; forcing air through said outer casing air intake means into and through said channel between said outer casing and said inner cooking chamber; cooling said outer casing around said channel by contact with said forced air; heating said flow of forced air by contact with said heated inner cooking chamber; directing said heated flow of forced air into said cooking chamber through said air entry aperture means allowing the heated air to assist in the cooking process; and cooking food in said food cooking unit.
Claim 3
Dependent Claim
166 words
In a method for operation of a food cooking unit including the convection cooking of food contained within a cooking chamber formed in said food cooking unit, said unit having an external casing with an ambient air intake vent disposed therein and wherein at least one channel communicates between said cooking chamber and at least portions of the casing, said channel communicating also with the interior of said cooking chamber, the unit further including a heat source disposed interiorly of said cooking chamber for heating said cooking chamber, the improvement comprising the steps of: drawing ambient air through said air intake vent formed in the casing and into the channel between said cooking chamber and said casing to cool at least portions of said casing and to heat the air in said channel by contact with said cooking chamber; and directing the heated air from said channel into said cooking chamber to allow the heated air to assist in cooking of food within said cooking chamber.
Claim 4
Dependent Claim
166 words
In a method for operation of a food cooking unit including the convection cooking of food contained within a cooking chamber formed in said food cooking unit, said unit having an external casing with an ambient air intake vent disposed therein and wherein at least one channel communicates between said cooking chamber and at least portions of the casing, said channel communicating also with the interior of said cooking chamber, the unit further including a heat source disposed interiorly of said cooking chamber for heating said cooking chamber, the improvement comprising the steps of: drawing ambient air through said air intake vent formed in the casing and into the channel between said cooking chamber and said casing to cool at least portions of said casing and to heat the air in said channel by contact with said cooking chamber; and directing the heated air from said channel into said cooking chamber to allow the heated air to assist in cooking of food within said cooking chamber.
References Cited (Backward Citations)
US3485229A
Cited
US3783219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-12 | 1989-02-11 | 1989-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-12 | 1993-02-11 | 1993-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-12 | 1997-02-11 | 1997-08-13 | $7700.00 | Window Closed / Lapsed |