Patents by Inventor Cheung Siu Chun

Cheung Siu Chun 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).

  • Expandable piñata
    Patent number: 7648059
    Abstract: A collapsible piñata construction may include two main panels, multiple folding side panels and a mechanism located inside the piñata that expands the piñata into an erected state. In various embodiments, the collapsible piñata may be expanded by a single pull on a string or other member coupled to the expansion mechanism.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: January 19, 2010
    Assignee: Hallmark Cards, Incorporated
    Inventors: Robert R. Pavlu, Jr., Wong Chi Chiu, Cheung Siu Chun