Patents by Inventor John D. De Costa

John D. De Costa 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: 6971418
    Abstract: A container for storing food in an air-tight atmosphere includes a housing having a generally rectangular shape and an opening formed therein for providing access to the interior of the housing, secured by a pivoting door. An electrically powered vacuum system is connected to the housing for selectively removing air therefrom. The vacuum system includes an air pump and a control button connected thereto for toggling the system between operable and non-operable modes. A plurality of valves are connected to the air pump for directing air inwardly and outwardly from the housing.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: December 6, 2005
    Inventor: John D. De Costa