Patents by Inventor Jacob Chatkis

Jacob Chatkis 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).

  • Growing doll
    Patent number: 4828528
    Abstract: A doll is provided which has a stretchable inner liner, an expandable core within the inner liner and a skin layer in intimate contact with the inner liner. The inner liner has one or more growth phase means which can be a series of essentially parallel stitchings optionally joined by bridging loops. The growth phases can be simply activated at predetermined times by externally accessible means or by an internal winding device which can be caused to rotate from an external location of the doll.
    Type: Grant
    Filed: March 24, 1988
    Date of Patent: May 9, 1989
    Inventor: Jacob Chatkis