Patents by Inventor Lai Fen Ying

Lai Fen Ying 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: 6237169
    Abstract: A foldable trampoline having a jump cloth, a plurality of pull rods secured to cloth ears extending around the jump cloth, a frame having a plurality of hook holes formed on a top surface thereof, a plurality of spring elements engaged with the pull rods and within the hook holes, and a plurality of support rods respectively engaged within a plurality of thread holes formed on the frame. The frame is formed of a plurality of sections. One pair of sections has an L-shaped member with a thread hole formed at one end thereof. This pair of sections also has an upper strut extending outwardly from an upper end thereof. The thread hole of the L-shaped member is received within the end having the upper strut such that the thread hole of the L-shaped member is aligned with a thread hole formed on a bottom surface of the opposite end of the frame. Support rods can be extended through the various thread holes formed on the bottom sides of the frame so as to lock the frame sections together in a foldable arrangement.
    Type: Grant
    Filed: October 18, 1999
    Date of Patent: May 29, 2001
    Inventor: Lai Fen Ying