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Class Information
Number: 472/9
Name: Amusement devices > Roundabout > Powered toy type > Having article completely supported by rotating tether, arm, or suspending structure > Article carried propulsion means > Having altitude control structure
Description: Subject matter including means for varying the vertical elevation of the object above a ground surface.

Patents under this class:

Patent Number Title Of Patent Date Issued
6572482 Radio frequency controlled tethered aircraft Jun. 3, 2003
5664785 Airplane game Sep. 9, 1997
5102126 Airplane flying game Apr. 7, 1992
5030156 Electronic remote control and method for control-line airplane models Jul. 9, 1991
4688787 Captive flight device Aug. 25, 1987
4238791 Model aircraft with altitude change indicating means Dec. 9, 1980
4161843 Electrically powered toy aircraft Jul. 24, 1979
4153243 Remote control device for model airplane May. 8, 1979
4138103 Model aircraft control system Feb. 6, 1979
4095784 Toy aircraft system Jun. 20, 1978

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