Patents by Inventor Natividad G. Esparza

Natividad G. Esparza has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4694841
    Abstract: A system for self-lighting cigarettes includes a cigarette and a cap coupled to the front end of cigarette. The cap includes a housing coupled to one end of the cigarette and having a hollow chamber formed therein. In a first embodiment, first and second containers are located in the chamber and contain respective substances which react with each other when released from their respective containers to produce a sufficient amount of heat to ignite the front end of the cigarette. In a second embodiment, a single container is located in the chamber and contains a substance which reacts, upon direct contact with air, to produce a sufficient amount of heat to ignite the front end of the cigarettes. The cigarette is ignited by carrying out a predetermined actuation which breaks the containers.
    Type: Grant
    Filed: June 21, 1985
    Date of Patent: September 22, 1987
    Inventor: Natividad G. Esparza