Fragrance dispensing apparatus
November 23, 2007. 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 2513919 2611068 2690500 2692327 Composition for slow release of volatile ingredients at _high temperature; and article comprising same Electrically heated vaporizer device for dispensing a thermally volatilizable substance Electrically heated vapor dispenser Energy regulator for a household heating appliance for producing variable speed initial heating Aroma generating apparatus with electrical heating element Humidification system Patent #: 4668854 InventorAssigneeApplicationNo. 07/123669 filed on 11/23/1987US Classes:392/390, With disposable evaporant cartridge or container392/392Wall mountedExaminersPrimary: Walberg, TeresaAttorney, Agent or FirmInternational ClassesA01M 1/20 (20060101)A61L 9/03 (20060101) A61L 9/015 (20060101) AbstractA fragrance dispensing apparatus of the type which releases a fragrance from a solid polyamide resin body includes a volatile substance such as perfume oils, insecticides, odorants, bactericides and animal repellants. The apparatus includes a housing having at least one opening therein and disposed adjacent the composition for transferring fragrance therefrom to the other side of the housing. A heating resistor is provided in the housing for maintaining an elevated temperature. A heater plate formed of sheet metal is arranged in the housing in thermally conductive relationship with the heating resistor. The heater plate is configured to at least partially surround and contact the resin body.Field of SearchComprising timing or cycling means | |
