Patents by Inventor Fred T. Pickerell

Fred T. Pickerell 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).

  • Primary nurser assembly
    Patent number: 3952897
    Abstract: A primary nurser assembly for mounting over an opening in a container comprisingA dam member including a lower wall spanning the opening in the container and a radially outwardly directed flange overlying the axial end face of the container adjacent the opening, said lower wall having a portion at least partially detachable to provide an access passage for discharge of the contents of the container,A nipple for mounting over the opening in the container having a stretchable lower base portion adapted to surround and overlie opposite faces of said flange, andMeans for seating said lower terminal edge portion of said nipple against the axial end face of said container to provide a seal therebetween.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: April 27, 1976
    Assignee: The West Company
    Inventors: Fred T. Pickerell, Dominic J. Brignola