Self-cleaning gas-fueled oven for cooking
Patent 5471972 Issued on December 5, 1995. Estimated Expiration Date: 
November 10, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 10, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1045469 3251396 3270967 3359965 Heat transfer device Confined spaced infrared burner system and method of operation Patent #: 4639213 InventorsAssigneeApplicationNo. 150223 filed on 11/10/1993US Classes:126/21A, Forced circulation126/92R, Incandescent fire grate431/326, POROUS, CAPILLARY, PARTICULATE OR SIEVELIKE FLAME HOLDER, E.G., RADIANT SURFACE BURNER, ETC.431/328Means supplying fuel for passage through the flame holding structure, e.g., radiant surface burnerExaminersPrimary: Yeung, James C.Attorney, Agent or FirmForeign Patent References
International ClassF24C 015/32AbstractA self-cleaning gas-fueled oven for cooking with a flameholder and door which permit self-cleaning at temperatures exceeding 900° F. The flameholder has a grille divided into two opposed, substantially flat portions, each of which contains an array of ports of two distinct sizes. The smaller-sized ports are tapered, increasing in cross-sectional area in the direction of gas flow through the grille. The oven door has a lip extending substantially perpendicularly from the door's sidewalls so as to overlap the periphery of the door's inner panel.Field of SearchVentilatedRadiator type Radiant Incandescent fire grate GRATES Forced circulation POROUS, CAPILLARY, PARTICULATE OR SIEVELIKE FLAME HOLDER, E.G., RADIANT SURFACE BURNER, ETC. Capillary mass having handle Means supplying fuel for passage through the flame holding structure, e.g., radiant surface burner Woven screen holds flame FLAME HOLDER HAVING PROTECTIVE FLAME ENCLOSING OR FLAME STABILIZING STRUCTURE Tubular member delineates flame Arranged in plural groups or rows All groups identical Concentric or coaxial groups In concavo-convex face Three or more dissimilar groups Three or more dissimilar outlets Axial or superposed members arranged to form axially spaced outlets Stacked plates | |
