Patents by Inventor Chun-Sian Zeng

Chun-Sian Zeng 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: 7204549
    Abstract: A foldable recreational chair includes a leg assembly and a seat. The leg assembly includes two front legs, two rear legs, an upper board, a lower board, the same number of pivots as the number of the front and rear legs, and the same number of locking members as the number of the front and rear legs. The seat is made of flexible material and is arranged at four corners thereof with four assembling pockets for receiving an upright end of the respective front and rear legs. The locking members serve to fix the upper board and the lower board to a transverse end of the respective front and rear legs, and the upright end of the respective front and rear legs is inserted in the assembling pockets of the seat.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: April 17, 2007
    Inventor: Chun-Sian Zeng