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Postage stamp indicating completion of sterilization process

  • US 20030138345A1
  • Filed: 01/18/2002
  • Published: 07/24/2003
  • Est. Priority Date: 01/18/2002
  • Status: Abandoned Application
First Claim
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1. A system for indicating proper sterilization of a mail article, said system comprising:

  • a mail article;

    a postage stamp affixed to said mail article, said postage stamp having a color indicator;

    a sterilization apparatus having means for sterilizing said mail article;

    whereby when said mail article is sterilized by the sterilization apparatus, said color indicator changes from a first color to a second color.

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