Marine information system
Patent 5432515 Issued on July 11, 1995. Estimated Expiration Date: 
August 6, 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.
August 6, 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 References 3594716 3707717 3754247 3759094 3772693 Mooring load sensor Electronic docking system Method and apparatus for locating position in a waterway Microprocessor navigational aid system Electronic chart system InventorApplicationNo. 102799 filed on 08/06/1993US Classes:342/23, BERTHING OR DOCKING340/984WATERCRAFT ALARM OR INDICATING SYSTEMSExaminersPrimary: Hellner, MarkAttorney, Agent or FirmInternational ClassG01S 013/00AbstractA docking information system for assistance in the docking of vessels uses sensors providing information indicative of the relationship between a ship and a reference, such as a dock, a coast line, a river bank, docks, bends and docking areas. A computer coordinates the information. A wireless transmitter associated with the computer transmits signals indicative of the information. A portable receiver and indicator carried by the captain of the vessel has a receiver for receiving the transmitted signals and an indicator screen to display the information. The remote receivers also include fixed monitors on the ship and on shore, and telephones on the ship which communicate with the computer and into the telephone link with shore-based communications.Other References
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