Patents by Inventor Pui Noel Lo

Pui Noel Lo 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: 20050161914
    Abstract: A handy collapsible shopping cart includes an elongated base frame bar, two front bumper members, two wheel frame bars equipped with a respective wheel and respectively pivoted to the base frame bar at two sides, a supplementary frame bar longitudinally slidably coupled to the base frame bar, two links bilaterally coupled between the supplementary frame bar and the front bumper members, a retractable handlebar pivoted to the base frame bar and turned to move the supplementary frame bar on the base frame bar and to further move the front bumper members and the wheel frame bars between the extended operative position and the collapsed non-operative position, and a lock adapted to lock the retractable handlebar and the supplementary frame bar.
    Type: Application
    Filed: January 23, 2004
    Publication date: July 28, 2005
    Inventor: Pui Noel Lo