Patents by Inventor Lausan Chung-Hsin Liu

Lausan Chung-Hsin Liu 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).

  • Publication number: 20020135217
    Abstract: An improved chair pad comprises a back cushion and a seat cushion supported by two inner tube members or two outer tube members to form respectively a back pad and a seat pad which are engaged by means of two coupling elements and a fastener to form the chair pad. The chair pad may be fastened to a swing or a chair to form a detachable, versatile and sturdy chair pad.
    Type: Application
    Filed: March 23, 2001
    Publication date: September 26, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 6450569
    Abstract: An improved folding structure for a folding chair. The structure includes a seat bracket, a backrest bracket pivotally engaged with a rear end of the seat bracket, two armrests pivotally engaged with two sides of the backrest bracket, and front and rear legs located at two sides of the seat bracket and pivotally engaged with the armrests. The backrest bracket and the rear legs are pivotally engaged through a pivotal lever in a toggle joint manner at a pivotal fulcrum. The backrest bracket is coupled with a cradle hub which has a flange extended towards the rear leg. The backrest bracket is allowed to swing about the pivotal fulcrum relative to the rear leg for extending or folding the folding chair with the flange resting on the rear leg to reduce the size of the folding chair when folded.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: September 17, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 6450575
    Abstract: A detachable stacking chair includes a chair bracket for seating people and two front legs fastened to two sides of the chair bracket having respectively first fastening sections and second fastening sections formed thereon, and a pair of rear legs having first anchor sections and second anchor sections located thereon matching respectively the first fastening sections and the second fastening sections. The first anchor sections and the second anchor sections may be fastened respectively to the first fastening sections and the second fastening sections through first and second fasteners to compete a chair. The rear legs are detachable from the chair bracket and the front legs for stacking separately to save storing space.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 17, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 6439656
    Abstract: A folding chair convertible to a rocking chair enabling a folding chair converting to a rocking chair comprises pedestals located at four ends each engaged with a plurality of support bars to form a chair frame for supporting a backrest and seat pad thereon. A pair of rockers is provided beneath the folding chair. The rockers have respectively anchor seats mounted thereon to engage with the pedestals for the folding chair convertible to a rocking chair when desired.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: August 27, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 6402243
    Abstract: A safety harness structure for a rocking chair. The structure includes a support frame and a chair mounting on the support frame through a pair of swinging bars. The swinging bars are pivotally engaged with two sides of the support frame and the chair through pivotal shafts located at the junctures of the support frame and the chair. The chair may swing to and fro relative to the frame about the pivotal shafts which function as fulcrums. The swinging bars are pivotally bridged by a restrictive rod for limiting the swinging angle of the swinging bars thereby to maintain the chair swinging within a selected displacement.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: June 11, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D455908
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: April 23, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D456186
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: April 30, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D457019
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: May 14, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D457332
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: May 21, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D457339
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: May 21, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D459097
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: June 25, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D459099
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: June 25, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D459901
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: July 9, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D460286
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: July 16, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D461329
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: August 13, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463150
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463151
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463152
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463153
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463677
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: October 1, 2002
    Inventor: Lausan Chung-Hsin Liu