System for detecting removal of items from a hotel minibar and for the automatic charging of the bill of the gas for item removed from the minibar
Patent 4891755 Issued on January 2, 1990. Estimated Expiration Date: 
May 5, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 5, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3836755 Hotel room bar with optical sensing system Patent #: 4629090 InventorApplicationNo. 195784 filed on 05/05/1988US Classes:705/28, Inventory management235/383, Mechanized store705/30, Accounting705/34Bill preparationExaminersPrimary: Smith, JerryAssistant: Hayes, Gail O. Attorney, Agent or FirmForeign Patent References
International ClassesA47F 001/04F25D 025/02 G06F 015/21 Foreign Application Priority Data1987-05-06 ILAbstractThe invention relates to minibars located in hotel rooms, and more specifically to such minibars provided with means for ascertaining whether any item has been removed, its nature and its price, thus facilitating the recharging of the minibar and the charging of the bill of the guest for the item taken.The system is based on accurate weight measurements which are indicative of the kind of item removed by the guest.Field of SearchMechanized store | |
