Interenterprise electronic mail hub
Patent 5406557 Issued on April 11, 1995. Estimated Expiration Date: 
February 1, 2013. 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.
February 1, 2013. 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 ReferencesCommunication terminal apparatus with data format conversion capability Local area network Apparatus and method for executing communication protocol conversions User to network interface protocol for packet communications networks Protocol conversion system Patent #: 5182748 InventorApplicationNo. 011929 filed on 02/01/1993US Classes:370/407, Interconnected star couplers370/428, Store and forward370/465, Adaptive379/88.17, Interaction with an external nontelephone network (e.g., Internet)379/93.15, Having format conversion379/93.24, Having electronic mail379/230, Signalling path distinct from trunk (e.g., CCIS)379/902, AUTO-SWITCH FOR AN INCOMING VOICE DATA, OR FAX TELEPHONE CALL (E.G., COMP/FAX/TEL)379/908, MULTIMEDIA709/206, Demand based messaging709/246COMPUTER-TO-COMPUTER DATA MODIFYINGExaminersPrimary: Hsu, Alpus H.Attorney, Agent or FirmForeign Patent References
International ClassesH04L 012/54G06F 013/00 AbstractAn interenterprise communications center has a computer hub comprising a common core and a plurality of input and output modules. The input modules connect to a first end user and converts a message sent by the first end user into a universal format. The hub core queues the message and forwards it to the output module for conversion into the format of the destination user.Other References
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