Tide calculator
Patent 5731573 Issued on March 24, 1998. Estimated Expiration Date: 
May 23, 2016. 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 23, 2016. 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 3745313 3825181 Tide and time calculating device Tide and time calculating device Tidal depth calculator Tide time indicator Apparatus for predicting the exact time of currents in terms of the year, month, day and hour Patent #: 4585927 InventorsApplicationNo. 652315 filed on 05/23/1996US Classes:235/78R, Concentric disk235/88N, Navigation235/88RDiskExaminersPrimary: Gellner, Michael L.Assistant: Chapik, Daniel Attorney, Agent or FirmInternational ClassesG06C 027/00G06C 003/00 AbstractA pocket tide calculator is described which predicts tide times and moon phases in a visual display which gives the semi-diurnal tide times in any given day of the month and can be readily set for the following month. This device automatically leaves out the high or low tide which is alternately missing every 7.5 days. This invention incorporates a compressed time scale when compared with a normal 24-hour clock face which enables a concise display of the semi-diurnal tide cycle. | |
