Patents by Inventor Po Wing Chan

Po Wing Chan 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).

  • Contractile toy structure
    Patent number: 6491567
    Abstract: The present invention disclosed a contractile toy structure having a building or figure bodily shape. The toy structure according to the invention comprises one or more sets of resilient supporting mechanisms and a plurality of lock mechanisms. The resilient supporting mechanism makes the toy structure contractile and the lock mechanism holds the toy in a contracted state after the resilient supporting mechanisms are compressed. Through changes between contracted and extended states, the toy can display different postures. In addition, the invention has the advantage of reduced space requirement in transportation due to its contractility that has an effect similar to a foldable or compressible characteristic and thus provides convenience in use.
    Type: Grant
    Filed: February 6, 2001
    Date of Patent: December 10, 2002
    Inventor: Po Wing Chan
  • CONTRACTILE TOY STRUCTURE
    Publication number: 20020106962
    Abstract: The present invention disclosed a contractile toy structure having a building or figure bodily shape. The toy structure according to the invention comprises one or more sets of resilient supporting mechanisms and a plurality of lock mechanisms. The resilient supporting mechanism makes the toy structure contractile and the lock mechanism holds the toy in a contracted state after the resilient supporting mechanisms are compressed. Through changes between contracted and extended states, the toy can display different postures. In addition, the invention has the advantage of reduced space requirement in transportation due to its contractility that has an effect similar to a foldable or compressible characteristic and thus provides convenience in use.
    Type: Application
    Filed: February 6, 2001
    Publication date: August 8, 2002
    Inventor: Po Wing Chan