Patents by Inventor Per S. Stromberg

Per S. Stromberg 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: 5501354
    Abstract: A collapsible container for use in the shipping of goods is formed from a single sheet (10) of a plastic material to form a box. The container has a bottom panel (12) and first (14) and second (16) pairs of like wall panels integrally hingedly connected to the bottom panels so that the walls can be erected from a collapsed position to an upright position and vice versa. The end panels include hinged locking flaps (f) formed with locking ribs to releasable engage with the adjacent edges of the side panels. The container is adapted to nest in superposed relationship with a like container when the containers are in a collapsed condition so that the height of a stack of collapsed containers is minimized.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: March 26, 1996
    Inventor: Per S. Stromberg
  • Patent number: 5452803
    Abstract: A shipping container adapted to be stacked upon a like container includes upper surfaces associated with a pair of opposed walls of the container which surfaces include locating means adapted to cooperate with complimentary locating means provided on lower surfaces of a stacked container when those containers are put into vertically stacked longitudinal or transverse alignment, and complementary locating means, as aforesaid, associated with lower surfaces further including complementary guide means to enable stacking to be achieved by relative sliding between a pair of like containers until said upper and lower complementary locating means of the stacked containers are engaged whereafter further relative movement between containers is restricted.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: September 26, 1995
    Inventor: Per S. Stromberg
  • Patent number: 4364477
    Abstract: A plastics fish box for use on board fishing boats at sea is described. The fish box has a bottom, and side and end walls of substantially uniform thickness which terminate in a rim around the upper edge of the box. The lower parts of the walls are formed without contour, while the upper portions have a wave-shaped contour region to define with the rim a plurality of handgrip recesses.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: December 21, 1982
    Inventor: Per S. Stromberg
  • Patent number: D281367
    Type: Grant
    Filed: September 15, 1982
    Date of Patent: November 12, 1985
    Inventor: Per S. Stromberg
  • Patent number: D353714
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: December 27, 1994
    Inventor: Per S. Stromberg