Patents by Inventor Richard D. Duncan

Richard D. Duncan 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: 4043478
    Abstract: A beverage container having a bottom and a contiguous side wall is provided with an integral lid and straw. The straw includes a passageway formed by the cup side wall and a tubular extension thereof which is maintained against the outside of the cup beneath the lid before use. In use, the lid is removed from the outside of the side wall of the container and positioned within the top of the container, and the straw is positioned away from the side wall for drinking a beverage from the container through the passageway and straw.
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: August 23, 1977
    Inventor: Richard D. Duncan