Patents by Inventor Costantino Bertolaja

Costantino Bertolaja 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: 4601078
    Abstract: A machine is disclosed for assembling box sole footwear semiautomatically. The machine provides for carrying out a number of operations through a completely new method of footwear assembly, thus affording significant labor savings and low investment costs. Specifically, this machine for semiautomatically assembling footwear having so-called box soles comprises, in essence, a former provided, at the sides, with a plurality of perforations connected to a suction pump and mounted on an arm adapted for pivotal movement about a horizontal axis. The machine further comprises a rubber plate and members cooperating with it which are adapted to press the sole edge against the sides of the former.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: July 22, 1986
    Inventor: Costantino Bertolaja