Patents by Inventor Jose E. Rocha Cabral

Jose E. Rocha Cabral 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: 4630953
    Abstract: Pencil holder, having a body or case that has on one side a slit that extends from the upper part to the lower part of the tip of the case. The slit is slotted in a manner similar to a scale and is arranged to receive a piston similar to an "L", consisting of a rod, a head interconnected by an intermediary wall, the head being placed inside the body or case and having in its center a cavity to receive the graphite. The rod runs parallel to the body and the slit and has in the middle a slit causing the formation of two sides that receive at the top, in turn, two extensions, similar to a crossbar that is arranged horizontally in relation to the rod and whose ends are sectioned to establish small lateral extensions in the form of an "L".
    Type: Grant
    Filed: April 11, 1985
    Date of Patent: December 23, 1986
    Inventors: Jose E. Rocha Cabral, Oswaldo A. Correa Mellone