Patents by Inventor Aracelia Sanchez

Aracelia Sanchez 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: 4821950
    Abstract: An improved, easily openable rectangularly-shaped container for liquids such as milk and juice formed of folded sheet paper or plastic, the improvement comprises the addition of an opening device having a first portion connected to the sealed pour spout and a second position integral with the first portion which extends free from the pour spout adapted for hand grasping. The first portion, when the second portion is pulled away from the pour spout, separates the sealed mating upper margins of the pour spout. The improvement may also be detachable after initial opening of the container.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: April 18, 1989
    Inventors: Aracelia Sanchez, Don O. Cord