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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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US Patent 5743724 - Flame reaction member for gas combustion appliances and a process for producing the same
US Patent Issued on April 28, 1998
Estimated Patent Expiration Date:
November 15, 2015Estimated 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.
Estimated Patent Expiration Date:
November 15, 2015Estimated 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.AbstractA flame reaction member for gas combustion appliances comprises a flame reaction material, which is to be heated by a gas flame having been produced by a gas combustion appliance and which undergoes a flame reaction and colors the gas flame by the flame reaction. The flame reaction material comprises a glass compound, which is formed by mixing a flame reaction agent and a fused material with each other and fusing them together. The flame reaction agent is constituted of an oxide or a salt of a metal capable of undergoing the flame reaction. The fused material is capable of being mixed and fused together with the flame reaction agent and vitrified.Other References
| InventorsAssigneeApplicationNo. 555997 filed on 11/15/1995US Classes:431/126, WITH ORNAMENTATION OR FLAME COLORING ADDITIVE431/4Feeding flame modifying additiveField of Search431/126, WITH ORNAMENTATION OR FLAME COLORING ADDITIVE431/125, WITH SIMULATION FEATURE431/4Feeding flame modifying additiveExaminersPrimary: Price, Carl D.Attorney, Agent or FirmUS Patent ReferencesD103216, D206747, D292451, 3721434, 4472135, Flame coloring deviceIssued on: 09/18/1984 Inventor: Parker , et al.4941818, Cigarette lighter Issued on: 07/17/1990 Inventor: Ohe, et al.4992041Method and apparatus for producing a wood-like flame appearance from a fireplace-type gas burner Issued on: 02/12/1991 Inventor: Kewish, et al. Foreign Patent References
International ClassF23Q 002/34Foreign Application Priority Data1994-11-16 JP |
