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Maintenance cost management device and user device

  • US 20040215577A1
  • Filed: 09/29/2003
  • Published: 10/28/2004
  • Est. Priority Date: 12/27/2000
  • Status: Active Grant
First Claim
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1. A maintenance cost management device provided with a point storage portion that stores a user'"'"'s maintenance points for a devise that receives maintenance;

  • wherein an accumulative fee paid regularly by the device user is converted to points, and added to the device user'"'"'s maintenance points stored in the point storage portion; and

    wherein, after maintenance has been performed, a maintenance cost is settled by subtracting a number of points corresponding to the maintenance cost from the maintenance points in the point storage portion.

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