Patents by Inventor Charles Chippa

Charles Chippa 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: 4025107
    Abstract: A collapsible spoon-bottom chair includes a bowl-shaped bottom, a guide rail attached thereto, scissor-type levers which have two pairs of opposite ends, where one pair of the ends is slidable in the guide rail and an extensible seat which is hingeably attached to the other pair of ends. The seat is movable from a seating position outside the bowl to a collapsed position within the bowl.
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: May 24, 1977
    Inventor: Charles Chippa