Patents by Inventor Calvin M. Pearson

Calvin M. Pearson 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).

  • Publication number: 20080251597
    Abstract: A drinking straw for controlling the intake of beverages, comprising an elongated hollow member having at least two open ends, at least one end being a suction end adapted for application of a suction force, and at least one end being a liquid end adapted for immersion in a liquid beverage; at least one compartment associated with each at least one suction end and located between the associated at least one suction end and the at least one liquid end and having openings for communicating the liquid beverage therethrough; and at least one insoluble object within the at least one compartment having an outer circumference smaller than an inner circumference of the at least one compartment; wherein the compartment openings and the object are dimensioned to prevent escape of the object from the compartment; and wherein the at least one object seals at least one compartment opening subsequent to the application of the suction force to prevent the movement of the liquid beverage past the opening.
    Type: Application
    Filed: March 5, 2008
    Publication date: October 16, 2008
    Inventor: Calvin M. Pearson
  • Patent number: 7354007
    Abstract: A drinking straw for controlling the intake of beverages, comprising an elongated hollow member having at least two open ends, at least one end being a suction end adapted for application of a suction force, and at least one end being a liquid end adapted for immersion in a liquid beverage; at least one compartment associated with each at least one suction end and located between the associated at least one suction end and the at least one liquid end and having openings for communicating the liquid beverage therethrough; and at least one insoluble object within the at least one compartment having an outer circumference smaller than an inner circumference of the at least one compartment; wherein the compartment openings and the object are dimensioned to prevent escape of the object from the compartment; and wherein the at least one object seals at least one compartment opening subsequent to the application of the suction force to prevent the movement of the liquid beverage past the opening.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: April 8, 2008
    Assignee: MCRT, LLC
    Inventor: Calvin M. Pearson