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Class Information
Number: 434/291
Name: Education and demonstration > Science > Astronomy > Representation of light generating celestial body > Simulation of sun and earth > Simulation of motion of earth and another major planet around sun
Description: Subject matter including an imitation of the movement of the earth and one of the other major bodies moving around the sun.

Patents under this class:

Patent Number Title Of Patent Date Issued
8062036 Therapeutic tool and method for use thereof Nov. 22, 2011
6821125 Planetarium Nov. 23, 2004
6722890 Interactive astronomical system and method Apr. 20, 2004
6565360 Orrery May. 20, 2003
6524112 Interactive astronomical system and method Feb. 25, 2003
5967791 Astronomical display apparatus Oct. 19, 1999
5931678 Apparatus for demonstration of earth's rotation about the sun Aug. 3, 1999
5695344 Device for demonstrating dynamics of orbiting bodies Dec. 9, 1997
5192212 Flexible hypresurface orbital model Mar. 9, 1993
4634387 Device for simulating the movements of and representing rotation symmetrical bodies Jan. 6, 1987
4400162 Planetarium Aug. 23, 1983
4392831 Orrery Jul. 12, 1983
4034488 Apparatus for demonstrating the travel of heavenly bodies Jul. 12, 1977

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