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Class Information
Number: 368/15
Name: Horology: time measuring systems or devices > Astronomical
Description: Subject matter incorporating means for indicating celestial body data (e.g., tide occurrences, moon phases, etc.).










Sub-classes under this class:

Class Number Class Name Patents
368/18 With moon and earth display 28
368/20 With navigational display 8
368/17 With sun and earth display 19
368/16 With sun, earth, and moon display 27
368/19 With tide display 31


Patents under this class:
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Patent Number Title Of Patent Date Issued
8533963 Sundial with elevated gnomon support avoiding shadow eclipse Sep. 17, 2013
8498179 Mechanism for indication of the lunar phases Jul. 30, 2013
8462591 Islamic prayer and pedometer watch Jun. 11, 2013
7773462 Chinese mechanical calendar timepiece Aug. 10, 2010
7636276 Device for measurement of geo-solar time parameters Dec. 22, 2009
7529156 Synclecron time keeping apparatus May. 5, 2009
7518956 Planisphere clock Apr. 14, 2009
7196973 Method and device for displaying a moon image cycle, in particular for a watch Mar. 27, 2007
7154815 Astronomical timepiece Dec. 26, 2006
6907582 Communication of information through background modulation in an information display Jun. 14, 2005
6901032 Timepiece from which sunrise and sunset time can be determined May. 31, 2005
6744695 Planisphere watch Jun. 1, 2004
6650596 Method of calculating religious Hijri calendar Nov. 18, 2003
6625085 Universal timepiece from which latitude and longitude can be determined Sep. 23, 2003
6580663 Celestial timepiece assembly Jun. 17, 2003
6411567 Drug delivery management system Jun. 25, 2002
6272076 Astronomic watch Aug. 7, 2001
6222796 Astrological watch Apr. 24, 2001
6202035 System for determining time or direction for prayer Mar. 13, 2001
6108277 Celestial timepiece assembly Aug. 22, 2000
5701678 Space-time tracker Dec. 30, 1997
5590093 Digital sundial Dec. 31, 1996
5519673 Clock with constellation display May. 21, 1996
5508979 Timepiece with indication of the part of the earth visible from the moon Apr. 16, 1996
5457663 Astronomical time clocks Oct. 10, 1995
5367504 Timepiece with improved display advancing and resetting mechanisms Nov. 22, 1994
5345429 Astronomic timepiece having a visible element simulating the displacement of a star Sep. 6, 1994
5269065 Compass including means for displaying constellation data Dec. 14, 1993
5253225 Compass watch of the mechanically or electromechanically driven type and bezel specifically intended for such a watch Oct. 12, 1993
5208790 Astronomical data indicating device May. 4, 1993
5023849 Astronomic timepiece and disc intended for use therein Jun. 11, 1991
4933920 Sidereal clock Jun. 12, 1990
4890269 Heliochron Dec. 26, 1989
4887250 Apparatus for reproducing the appearance of heavenly bodies Dec. 12, 1989
4881213 Watch movement having date and phases of the moon indicators Nov. 14, 1989
4853908 Timing mechanism with tide indicator Aug. 1, 1989
4825426 Horometric arrangement for indicating the position of the planets Apr. 25, 1989
4782472 Solar clock with digital time display Nov. 1, 1988
4766579 Timepiece having a control stem correcting mechanism with at least two setting positions Aug. 23, 1988
4759002 Clock Jul. 19, 1988
4731767 Timepiece having a star display Mar. 15, 1988
4674889 Watch Jun. 23, 1987
4659231 Islamic prayer calculator/clock device Apr. 21, 1987
4656748 Sundial arrangement Apr. 14, 1987
4645354 Universal heliochronometer Feb. 24, 1987
4551027 Device for determining time of sunrise and sunset Nov. 5, 1985
4548512 Watch with indicator of lunar phases Oct. 22, 1985
4520572 Geographical sundial Jun. 4, 1985
4497582 Planetarium alarm clock Feb. 5, 1985
4487511 Watch for the space orientation in addition to the time orientation Dec. 11, 1984

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