Patents Assigned to National Packaging Corporation
  • Patent number: 5642831
    Abstract: A drinking container is provided having a liquid containing portion and a slidably displaceable sleeve member. The slidably displaceable sleeve member is located adjacent the liquid containing portion. The liquid containing portion has a bottom surface. The sleeve member has a sidewall and a bottom surface. The sleeve member in a first position has its bottom surface spaced apart from the bottom surface of the liquid containing portion a first distance, while the sleeve member in a second position has its bottom surface spaced apart from the bottom surface of the liquid containing portion a second distance. The drinking container preferably has an upwardly projecting wall having at least one engaging member. Additionally, the sleeve member has a plurality of channels formed in its sidewall. The drinking container is formed having a first wall member and a second wall member, such that the sleeve member is retained between the first and second wall members.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: July 1, 1997
    Assignee: National Packaging Corporation
    Inventor: L. Grant Lynd
  • Patent number: 5586676
    Abstract: A drinking container cap is provided having an exterior surface, and an interior surface, with the interior surface having a stirrer depending downwardly therefrom. Preferably the interior surface has formed thereon a stirrer receptacle, with the stirrer receptacle itself being generally cylindrical. The stirrer mechanically engages with the stirrer receptacle, and is detachable therefrom. The stirrer receptacle has an inner and an outer surface, with an indentation in its inner surface. The stirrer has a shank end and a terminal end, with the shank end having a bulged area which engages with the indentation, and the terminal end having a bowl portion. In the preferred embodiment of the invention the stirrer receptacle has two notches formed therein, and the stirrer has two projections extending outwardly from the shank end, with the notches being on opposite sides of the stirrer receptacle and the projections being on opposite sides of the stirrer.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: December 24, 1996
    Assignee: National Packaging Corporation
    Inventor: L. Grant Lynd
  • Patent number: D278120
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: March 26, 1985
    Assignee: National Packaging Corporation
    Inventors: Lynd L. Grant, James Steinfurth
  • Patent number: D391856
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: March 10, 1998
    Assignee: National Packaging Corporation
    Inventor: L. Grant Lynd
  • Patent number: D394010
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: May 5, 1998
    Assignee: National Packaging Corporation
    Inventor: L. Grant Lynd
  • Patent number: D400401
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: November 3, 1998
    Assignee: National Packaging Corporation
    Inventor: L. Grant Lynd