US4899723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination gas and electric stove with burner arrangement therefor
Assignee: Industrias Fenix SA
•
Filing: 1989-06-14
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Granted: 1990-02-13
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Expires: 2009-06-14
Abstract
Abstract A cooking and heating stove capable of operating on either gaseous fuel or electricity has a combination burner construction consisting of an annular metal plate with an electrical resistance heater located in recessed grooves on the undersurface, and a ceramic gas distributor int he central opening of the plate. Separate controls on a common housing are provided for the gas and electrical parts of the burner assembly.
Inventors
- 👤 Luis R. Pajares
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:32
CPC Classifications
F; F24; F24C; F24C1/00; F24C1/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
108 words
Stove apparatus operable on either gas or electricity, comprising: a housing; a burner assembly mounted on a horizontal outer surface of the housing including, a metal plate having a central opening, a depressed portion surrounding the central opening, and a spiral groove on a major surface, an electrical heating element lying in the spiral groove, a protective metal sheet covering the groove and heating element, a gas distributer having a platelike top with serrated edge and a hollow central fitting slidingly received within the metal plate opening and connected to a gas source pipe; and separate gas and electric controls mounted on a side surface of the housing.
Claim 2
Dependent Claim
108 words
Stove apparatus operable on either gas or electricity, comprising: a housing; a burner assembly mounted on a horizontal outer surface of the housing including, a metal plate having a central opening, a depressed portion surrounding the central opening, and a spiral groove on a major surface, an electrical heating element lying in the spiral groove, a protective metal sheet covering the groove and heating element, a gas distributer having a platelike top with serrated edge and a hollow central fitting slidingly received within the metal plate opening and connected to a gas source pipe; and separate gas and electric controls mounted on a side surface of the housing.
Claim 3
Dependent Claim
16 words
Stove apparatus as in claim 1, in which the metal plate is constructed of cast iron.
Claim 4
Dependent Claim
15 words
Stove apparatus as in claim 1, in which the metal plate is constructed of steel.
Claim 5
Dependent Claim
17 words
Stove apparatus as in claim 1, in which the gas distributor is constructed of a ceramic material.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-12 | 1993-08-14 | 1994-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-12 | 1997-08-14 | 1998-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-12 | 2001-08-14 | 2002-02-13 | $7700.00 | Window Closed / Lapsed |