Astronomic timepiece and disc intended for use therein
Patent 5023849 Issued on June 11, 1991. Estimated Expiration Date: 
November 14, 2009. 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.
November 14, 2009. 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 245130 372575 521725 1997511 Watch with indicator of lunar phases Device for determining time of sunrise and sunset Astronomical wrist-watch Clock Tide clock device Patent #: 4849949 InventorAssigneeApplicationNo. 435886 filed on 11/14/1989US Classes:368/15, ASTRONOMICAL368/16With sun, earth, and moon displayExaminersPrimary: Miska, Vit W.Attorney, Agent or FirmForeign Patent References
International ClassG04B 019/26Foreign Application Priority Data1988-11-15 CHAbstractThe invention concerns an astronomic timepiece enabling a simple display of the daily value of an astronomic magnitude having an annual cycle. The timepiece comprises a month disc (13), at least a portion of which is visible through an opening (19) provided in the dial (6). The development of the astronomic magnitude is represented in the form of a curve (25) in a frame of reference one coordinate of which indicates the date and the other indicates a value of the astronomic magnitude. | |
