US4727799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooking appliance with sensor means
Assignee: Sharp Corp
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Filing: 1986-07-01
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Granted: 1988-03-01
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Expires: 2006-07-01
Abstract
Abstract A cooking appliance comprising a sensor for detecting the surface temperature of food being cooked, and the sensor being located in a position below the food cooking table.
Inventors
- 👤 Itiro Ohshima
- 👤 Akinori Kitajima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:32
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0623; A47J37/0629; A47J37/0635; A47J37/08; A47J37/0814; A47J37/085; F; F24; F24C; F24C7/00; F24C7/06; F24C7/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
86 words
A cooking appliance comprising: an internal, cooking chamber for housing food being cooked; an external housing unit enclosing said internal, cooking chamber and defining a space therebetween; sensor means for detecting surface temperature of the food being cooked; and means for mounting said sensor means in said space at a position located beneath the food being cooked in said internal, cooking chamber, said position of said sensor means avoiding interference with said detecting by said sensor means due to heat rising from said food being cooked.
Claim 2
Dependent Claim
86 words
A cooking appliance comprising: an internal, cooking chamber for housing food being cooked; an external housing unit enclosing said internal, cooking chamber and defining a space therebetween; sensor means for detecting surface temperature of the food being cooked; and means for mounting said sensor means in said space at a position located beneath the food being cooked in said internal, cooking chamber, said position of said sensor means avoiding interference with said detecting by said sensor means due to heat rising from said food being cooked.
Claim 3
Dependent Claim
56 words
The cooking appliance of claim 1, wherein said internal cooking chamber has a food cooking position as well as a door for sealing said chamber, said door being located at a front portion of said chamber, said means for mounting said sensor being located at a position behind the food cooking position relative to the door.
Claim 4
Dependent Claim
58 words
The cooking appliance of claim 1, wherein said external housing unit has a plurality of vents therein, said vents being spaced such that air will flow through said space in response to differences in temperature in said space, said differences in temperature resulting from cooking of said food, said sensor means being cooled by said flow of air.
Claim 5
Dependent Claim
37 words
The cooking appliance of claim 1, further comprising a table for holding said food, said table being displaced from a bottom of said internal, cooking chamber capable of holding several pieces of food which are cooked simultaneously.
Claim 6
Dependent Claim
48 words
The cooking appliance of claim 4, wherein said internal, cooking chamber has a right and left portion and wherein said means for mounting said sensor means is located in said space at a position proximate to one of the left and the right portions of the cooking chamber.
Claim 7
Dependent Claim
39 words
The cooking appliance of claim 5, wherein an identifying mark is provided in the portion of the internal, chamber which is proximate to said means for mounting, said identifying mark advising a user of the position of said sensor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-01 | 1991-08-31 | 1992-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-01 | 1995-08-31 | 1996-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-01 | 1999-08-31 | 2000-03-01 | $7700.00 | Window Closed / Lapsed |