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Class Information
Number: 434/284
Name: Education and demonstration > Science > Astronomy
Description: Subject matter relating to celestial bodies or material and their magnitudes, motions, and constitution.










Sub-classes under this class:

Class Number Class Name Patents
434/285 Representation of light generating celestial body 18


Patents under this class:

Patent Number Title Of Patent Date Issued
8460004 Moon gazers' wheel chart Jun. 11, 2013
8062036 Therapeutic tool and method for use thereof Nov. 22, 2011
8057045 Star field projection apparatus Nov. 15, 2011
7959307 Optical projection system and method of use Jun. 14, 2011
7957059 Device and method for demonstrating optical effects Jun. 7, 2011
7764985 Surgical navigation system component fault interfaces and related processes Jul. 27, 2010
7621647 Optical projection system and method of use Nov. 24, 2009
7438422 Simplified night sky display system Oct. 21, 2008
7428780 Viewing and display apparatus position determination algorithms Sep. 30, 2008
7155833 Viewing and display apparatus position determination algorithms Jan. 2, 2007
7010862 Viewing and display apparatus position determination algorithms Mar. 14, 2006
7004588 Planetarium and point light source for use in same Feb. 28, 2006
6928032 Mechanism for displaying the moon phases Aug. 9, 2005
6885614 Moon phase display device, particularly for a timepiece Apr. 26, 2005
6821125 Planetarium Nov. 23, 2004
6625085 Universal timepiece from which latitude and longitude can be determined Sep. 23, 2003
6565360 Orrery May. 20, 2003
6507536 Moon-phase dial mechanism Jan. 14, 2003
6343938 Moon phase demonstration system Feb. 5, 2002
6238216 Planetary teaching age May. 29, 2001
6176705 Solar system teaching aid Jan. 23, 2001
6056554 Apparatus and method for finding and identifying nighttime sky objects May. 2, 2000
6048210 Planetarium Apr. 11, 2000
6033230 Planetarium Mar. 7, 2000
6030227 Digital solar system model Feb. 29, 2000
5967791 Astronomical display apparatus Oct. 19, 1999
5931678 Apparatus for demonstration of earth's rotation about the sun Aug. 3, 1999
5704653 System for identifying stars, planets, deep sky objects and constellations Jan. 6, 1998
5701678 Space-time tracker Dec. 30, 1997
5649827 Method of and system for drawing an image over stars in the sky with a laser beam Jul. 22, 1997
5529500 Two-dimensional earth-moon-sun instructional model Jun. 25, 1996
5230631 Educational amusement device and jewelry item Jul. 27, 1993
5217763 Simulated three-dimensional night sky pattern kit and method of using same Jun. 8, 1993
5192212 Flexible hypresurface orbital model Mar. 9, 1993
5186630 Universal sun-path dial Feb. 16, 1993
5114348 Tutorial device for observing lunar phase May. 19, 1992
4938697 Multi-dimensional astral position finding device Jul. 3, 1990
4887250 Apparatus for reproducing the appearance of heavenly bodies Dec. 12, 1989
4251930 Astronomical/astrological chart Feb. 24, 1981
4222180 Visual teaching device Sep. 16, 1980
4164829 Inflatable structure Aug. 21, 1979
4142306 Time-space clock Mar. 6, 1979











 
 
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