Patents by Inventor Jon D. Marinesco

Jon D. Marinesco 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: 4513970
    Abstract: A three dimensional puzzle or toy, of the type sold under the registered trademark RUBIK'S CUBE, in which eight outer bodies or blocks are rotated four at a time about any one of three axes, so that different shapes may be presented in different combinations of said outer bodies. The outer bodies present a desired shape, such as an egg, sphere, clown's head or other desired shape only when the outer bodies are in proper combination. The outer bodies revolve about a spherical core, and are releasably maintained assembled about said core by magnetic means on the adjoining surfaces of the outer bodies.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: April 30, 1985
    Inventors: Ovidiu Opresco, Jon D. Marinesco