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Vending machine apparatus for encouraging participation in a marketing effort

  • US 6,658,323 B2
  • Filed: 10/30/2001
  • Issued: 12/02/2003
  • Est. Priority Date: 09/14/1998
  • Status: Expired due to Term
First Claim
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1. A vending machine for dispensing a product to a customer, said vending machine comprising:

  • an input device for receiving a purchase request for said product;

    an output device for presenting at least one question to said customer in response to said purchase request;

    an item dispenser for dispensing said product and a product reward to said customer for answering said question; and

    means for establishing communications with a central server.

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