A store controller stores a series of prices for a product and respective effective periods during which the prices are effective. A customer submits an offer to buy the product at an "offer price" that is one of the series of prices. The offer also has an offer period that elapses when the respective...http://www.google.ca/patents/US6119100?utm_source=gb-gplus-sharePatent US6119100 - Method and apparatus for managing the sale of aging products
Method and apparatus for managing the sale of aging products