Patents by Inventor Mei-Chu Hung

Mei-Chu Hung 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).

  • Control device for cigarette packs
    Publication number: 20020145002
    Abstract: A cigarette pack includes a base portion and a cover pivotally connected to a top of the base portion. A neck portion extends from a periphery of a top opening of the base portion and the cover is mounted to the neck portion. A first hole is defined through the neck portion and a second hole is defined through the cover. The first hole and the second hole are located in alignment with each other when the cover covering on the base portion. A control device is connected to the base portion and has a hook which is controlled by the control device and movably engaged with the first hole and the second hole.
    Type: Application
    Filed: April 6, 2001
    Publication date: October 10, 2002
    Inventor: Mei-Chu Hung