Patents by Inventor Diane Macri

Diane Macri 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).

  • Portable beach umbrella safety base
    Patent number: 4753411
    Abstract: A base for securement of a beach umbrella includes a collar which is inserted over the staff of a beach umbrella and has four pivotable struts which open into a position in which they extend perpendicular to the staff of the umbrella. Two semicircular plates are received by the support struts and in use are covered with sand to provide a secure mounting for the ground inserted staff of the umbrella.
    Type: Grant
    Filed: August 19, 1987
    Date of Patent: June 28, 1988
    Inventors: Walter Lechner, Diane Macri