Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 25, 2007
Patent Application Number
10278871
Date Filed
October 24, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
A requester accesses a collection center system (4) and requests collection of expendables (S302). The collection center system (4) confirms actually collected expendables (S312) and gives a point to the user as the requester. For lump-sum collection using a predetermined container, a bonus point is also given. The point is also given for purchase. For the next purchase, the requester can receive an incentive in accordance with the point and enjoy a special service such as a discount.
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