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Push-up system

  • US 20090247378A1
  • Filed: 03/27/2009
  • Published: 10/01/2009
  • Est. Priority Date: 03/28/2008
  • Status: Active Grant
First Claim
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1. An article of manufacture, comprising:

  • a stack of blocks;

    the stack having at least a top block and a bottom block;

    the top block having an interlock mechanism which removably connects the top block to the bottom block and maintains the position of the top block relative to the bottom block; and

    wherein the top block has a top surface, and the top surface is substantially uniform.

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