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Method and apparatus for rotationally restraining a mixing container

  • US 8,336,731 B2
  • Filed: 11/05/2008
  • Issued: 12/25/2012
  • Est. Priority Date: 11/05/2008
  • Status: Active Grant
First Claim
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1. A cup comprising:

  • an open top, cup walls and a closed bottom having an anti-rotational pattern protruding downwardly from a generally flat bottom surface,wherein said anti-rotational pattern comprises a plurality of downwardly protruding vanes of substantially triangular cross-section each extending outwardly from a center portion of said bottom and each having two downwardly pointing vane walls forming an angle of approximately 45 degrees or less which are joined at a ridge wherein one of said vane walls is substantially vertical and the ridges of notwo vanes are separated by 180 degrees, andfurther comprising a cupholder having a pair of cupholder fins that are positioned 180 degrees apart from one another such that, if said anti-rotational pattern is placed against one of said pair of cupholder fins, said cup will be inhibited from rotating within said cupholder.

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