Patents by Inventor Richard Aardema

Richard Aardema 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: 7258234
    Abstract: Transparent egg cartons suitable for being made from a variety of transparent polymeric materials and particularly from polylactic acid or other biodegradable polymers are described. The egg cartons use a “W” shaped hinge or box hinge element for hingedly connecting the lid to the tray or a flap to the tray. The flap is made with lattice struts to increase the lateral strength thereof, and contains at least three button tabs for interlocking the flap with the lid. The lateral most button tabs are located about ?th the length of the flap from the ends of the flap. The egg cartons have an awning portion that extends from the front surface of the lid to cover the “W” shaped hinge or box hinge when the lid is closed. A space is provided between the edge of the awning and the hinge for a consumer to place a finger for disengaging the lid from the flap.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: August 21, 2007
    Inventors: Marvin Aardema, Richard Aardema, John Camphouse
  • Publication number: 20050178689
    Abstract: Transparent egg cartons suitable for being made from a variety of transparent polymeric materials and particularly from polylactic acid or other biodegradable polymers are described. The egg cartons use a “W” shaped hinge or box hinge element for hingedly connecting the lid to the tray or a flap to the tray. The flap is made with lattice struts to increase the lateral strength thereof, and contains at least three button tabs for interlocking the flap with the lid. The lateral most button tabs are located about ?th the length of the flap from the ends of the flap. The egg cartons have an awning portion that extends from the front surface of the lid to cover the “W” shaped hinge or box hinge when the lid is closed. A space is provided between the edge of the awning and the hinge for a consumer to place a finger for disengaging the lid from the flap.
    Type: Application
    Filed: February 12, 2004
    Publication date: August 18, 2005
    Inventors: Marvin Aardema, Richard Aardema, John Camphouse