Patents by Inventor Franco D Calle

Franco D Calle 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).

  • Security lock
    Patent number: 6481252
    Abstract: A security locking system that includes a cross bar pivotally connected at one end in a manner to pivot in two planes, a locking brace connected to a door frame at an opposite point from the point of the pivoting connection of the cross bar in a locking brace which includes an actuating mechanism which rotates around the locking bar and pulls the locking bar into a U-shaped sleeve. In an alternative embodiment, a segmented cross-bar is located totally within the door and is lengthened or shortened by rotation of a key on the outside of the door to enter or exit a pair of receptacles in the door frames to lock the door, or to open the door, respectively.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: November 19, 2002
    Inventors: Franco D Calle, Ron R. Daniels, Sheila M. Daniels
  • Security lock
    Publication number: 20020007655
    Abstract: A security locking system that includes a cross bar pivotally connected at one end in a manner to pivot in two planes, a locking brace connected to a door frame at an opposite point from the point of the pivoting connection of the cross bar in a locking brace which includes an actuating mechanism which rotates around the locking bar and pulls the locking bar into a U-shaped sleeve. In an alternative embodiment, a segmented cross-bar is located totally within the door and is lengthened or shortened by rotation of a key on the outside of the door to enter or exit a pair of receptacles in the door frames to lock the door, or to open the door, respectively.
    Type: Application
    Filed: December 20, 2000
    Publication date: January 24, 2002
    Inventors: Franco D. Calle, Ron R. Daniels, Sheila M. Daniels