Tide and time calculating device
Patent 4035617 Issued on July 12, 1977. Estimated Expiration Date: 
July 12, 1994. 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.
July 12, 1994. 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 3524313 3703804 3708971 3825181 InventorApplicationNo. 05/479248 filed on 06/13/1974US Classes:235/88N, Navigation368/19, With tide display968/209With indicators for tides [G04B 19/26M]ExaminersPrimary: Tomsky, Stephen J.AbstractA time and tide calculating device for wrist watches clocks and calculators that register the tides and the time of the tides, comprising rotatable concentric tide and calendar discs placed adjacent to a clock face for indicative registration and cooperation with time telling devices, having various arrangements of said tide and calendar discs showing tide positions and the calendar date in registration with clock and watch faces that also include digital information on day, date and the AM or PM by the development of new clock works to rotate such information required for telling the date, the time, the AM or PM, the tide and a reference on said calendar disc responsive to showing the state of the tides in advance for the following days of a calendar. | |
