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Collecting and valuating used items for sale

  • US 7,270,262 B2
  • Filed: 10/31/2006
  • Issued: 09/18/2007
  • Est. Priority Date: 06/23/2003
  • Status: Expired due to Fees
First Claim
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1. A method of aggregating a database of secondary market items for sale, comprising:

  • activating a web crawler into a plurality of different network sites;

    collecting a plurality of data records corresponding to said secondary market items for sale from said plurality of different network sites;

    validating each of said plurality of data records to confirm that it is a secondary market item of the desired type for sale;

    normalizing each of said plurality of data records; and

    providing a user with market price information for a particular condition of a particular used item for sale from said secondary market items for sale, and said market price information based on said plurality of data records from said plurality of different network sites.

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