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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0015269UpriorityCriticalpatent/ES15269Y/en
Publication of ES15269UpublicationCriticalpatent/ES15269U/en
Application grantedgrantedCritical
Publication of ES15269YpublicationCriticalpatent/ES15269Y/en
An annunciator device, characterized in that it consists of a bottle provided in its interior with a bulb that is continuously turned on and off by the action of a switch moved by a conical spiral of paper or any suitable material that surrounds the bottle and is placed the same let it be on the coffeepot of the bars and cafes, so that the ascension of the heat causes the spiral to turn and this one to move the light switch. (Machine-translation by Google Translate, not legally binding)