Patents by Inventor Joseph Pavnica

Joseph Pavnica 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).

  • Centering clips for window frames
    Patent number: 4488391
    Abstract: A centering clip for window frames, comprising an element of spring metal to provide a resilient clip, having a base portion attached to the top edge of a window frame, and inclined portion integrally formed with the base portion at an acute angle, with the inclined portion having a row of teeth along the free end. When the window frame is inserted into the mounting opening or mounting frame, the inclined portion of the resilient clip engages the top edge of the mounting frame and is compressed when the window frame is inserted. The row of teeth at the free end of the centering clip bites into the top edge of the mounting frame and holds the window frame against removal until the centering clip is depressed to disengage the teeth from the top edge of the mounting frame. The window frame is thus held within the mounting frame until a workman is able to nail the window frame in place.
    Type: Grant
    Filed: December 17, 1980
    Date of Patent: December 18, 1984
    Inventor: Joseph Pavnica