Patents by Inventor Uri Hershfeld

Uri Hershfeld 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).

  • Building block toy
    Patent number: 4699601
    Abstract: A toy comprises a set of building blocks of progressively-decreasing sizes each of hollow configuration and open at its opposite ends. Each block is formed with an outwardly-extending peripheral flange at one end and an inwardly-extending peripheral flange at its opposite end, the dimensions of the blocks and flanges being such as to permit them to be assembled in a configuration wherein the blocks increase in size or in another configuration wherein they decrease in size.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: October 13, 1987
    Assignee: Orda Industries (1969) Ltd.
    Inventor: Uri Hershfeld