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Class Information
Number: 434/285
Name: Education and demonstration > Science > Astronomy > Representation of light generating celestial body
Description: Subject matter including representation of celestial body which produces light.

Sub-classes under this class:

Class Number Class Name Patents
434/287 Celestial globe 14
434/289 Finding or identifying aid 18
434/286 Light spot 36
434/290 Simulation of sun and earth 4

Patents under this class:

Patent Number Title Of Patent Date Issued
8684745 Hand-held personal planetarium Apr. 1, 2014
8646918 Projection system Feb. 11, 2014
8460004 Moon gazers' wheel chart Jun. 11, 2013
8419439 Apparatus and related methods for the controlled illumination of a convex surface Apr. 16, 2013
8210686 Projection system Jul. 3, 2012
8133058 Apparatus and related methods for the controlled illumination of a convex surface Mar. 13, 2012
8062036 Therapeutic tool and method for use thereof Nov. 22, 2011
8057045 Star field projection apparatus Nov. 15, 2011
7748852 Digital planetarium apparatus Jul. 6, 2010
6821125 Planetarium Nov. 23, 2004
6769778 Slide projector Aug. 3, 2004
4881899 Sunshine simulator for small scale models Nov. 21, 1989
4726773 Device for depicting constellations on a ceiling Feb. 23, 1988
4568287 Light charged celestial simulation device Feb. 4, 1986
4271604 Portable planetarium Jun. 9, 1981
4194306 Planetarium educational device Mar. 25, 1980
4083121 Universal planisphere, sight reduction finder and identifier, guidance and computer system Apr. 11, 1978
4012851 Universal planisphere complete guidance and computer system Mar. 22, 1977

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