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Class Information
Number: 368/17
Name: Horology: time measuring systems or devices > Astronomical > With sun and earth display
Description: Subject matter wherein the position of both the sun and earth is indicated in relation to each other according to the time of day, week, or month.

Patents under this class:

Patent Number Title Of Patent Date Issued
8588031 Timepiece movement comprising a running equation of time device Nov. 19, 2013
8483015 AM/PM display device for a timepiece Jul. 9, 2013
8139444 Routine clock with variable indicators Mar. 20, 2012
7636276 Device for measurement of geo-solar time parameters Dec. 22, 2009
7012855 World globe pocket clock and world globe desk clock Mar. 14, 2006
6901032 Timepiece from which sunrise and sunset time can be determined May. 31, 2005
6847589 Watch including a case of elongated shape Jan. 25, 2005
5917778 Geographical chronological device Jun. 29, 1999
5253225 Compass watch of the mechanically or electromechanically driven type and bezel specifically intended for such a watch Oct. 12, 1993
4887250 Apparatus for reproducing the appearance of heavenly bodies Dec. 12, 1989
4759002 Clock Jul. 19, 1988
4740931 Solar system clock Apr. 26, 1988
4714351 Globe maps and derived products Dec. 22, 1987
4671669 Solar system clock Jun. 9, 1987
4583864 Solar system clock Apr. 22, 1986
4551027 Device for determining time of sunrise and sunset Nov. 5, 1985
4479722 Electronic digital display watch having solar and geographical functions Oct. 30, 1984
4396293 Salat time alarm electronic timepiece Aug. 2, 1983
4253169 Electronic calculation watch with digital display Feb. 24, 1981

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