Stackable container apparatus and methods

  • US RE44,656 E1
  • Filed: 12/13/2010
  • Issued: 12/24/2013
  • Est. Priority Date: 05/12/2005
  • Status: Active Grant
First Claim
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1. A method for stacking containers, comprising:

  • obtaining at least a first container and a second container, each having a lid portion and a base portion, each lid portion having a plurality of first raised members each projecting outwardly from a lid surface and arranged substantially in a first desired direction, each lid portion further including a plurality of first ribs projecting outwardly from the lid surface, each of the plurality of first ribs extending substantially continuously between adjacently located first raised members and oriented along the first desired direction, at least some of the first raised members and first ribs cooperatively forming a plurality of first receiving areas, wherein the plurality of first raised members project outwardly by an amount that is greater than the outward projection of the plurality of first ribs relative to the lid surface, each base portion having a plurality of second raised members each projecting outwardly from a base surface and arranged substantially in a second desired direction, each base portion further including a plurality of second ribs projecting outwardly from the base surface, each of the plurality of second ribs extending substantially continuously between adjacently located second raised members and oriented along the second desired direction, at least some of the second raised members and second ribs cooperatively forming a plurality of second receiving areas, wherein the plurality of second raised members project outwardly by an amount that is greater than the outward projection of the plurality of second ribs relative to the base surface; and

    stacking the first and second containers relative to each other such that at least some of the raised members of one of the containers are received by corresponding receiving areas of the other container.

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