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Electronic coupon system

  • US 6,862,575 B1
  • Filed: 08/17/2000
  • Issued: 03/01/2005
  • Est. Priority Date: 08/17/2000
  • Status: Expired due to Term
First Claim
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1. A data processing system for issuing coupons, comprising:

  • a server for generating master coupons at locations attributable to different merchants and for establishing locations attributable to customers for receiving coupons;

    a network connection allowing customers to access master coupons at said merchant locations and for the copying of master coupons at locations as customer coupons;

    a server for copying the customer coupon as a child coupon for another customer to provide a shared benefit of the customer coupon to the another customer with the child coupon; and

    wherein said customer coupons have a benefit which varies in accordance with properties defined by the master coupon; and

    the data processing system modifies the benefit of the customer coupon in response to sharing a benefit of the copied customer coupon with the child coupon.

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