Patents by Inventor Alejandro C. Sanchez

Alejandro C. 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: 4066180
    Abstract: A frangible sealing cap for a bottle neck comprises:A. a plastic cup having a top cover and a depending annular skirt, the cover and skirt having thin walls, the skirt being free of annularly outward bulge structure,B. a plastic pull tab integral with the skirt and depending to a level below the lowermost level of the skirt, andC. there being two weakening score lines extending into, but incompletely through the skirt from the outer surface thereof, said lines extending upwardly toward the top cover from points proximate the junctures of the skirt with opposite edges of the tab.
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: January 3, 1978
    Inventor: Alejandro C. Sanchez