Patents by Inventor Jing-Cai Chen

Jing-Cai Chen 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).

  • Collapsible tent frame
    Patent number: 6216717
    Abstract: A collapsible tent frame is disclosed. The collapsible tent frame includes a polygonal framework having a plurality of joints arranged at corners thereof and a plurality of rail pole assemblies interconnecting the joints respectively, at least three leg pole assemblies extending downward from the joints of the polygonal framework and a roof framework having a plurality of rafter pole assemblies connected to the joints of the polygonal framework. The pole assemblies can be shortened when the collapsible tent frame is to be collapsed.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: April 17, 2001
    Assignee: Sing Sing Fibers Industry Co., Ltd.
    Inventor: Jing-Cai Chen