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Class Information
Number: 463/69
Name: Amusement devices: games > Propelled racing > Gravity propelled object
Description: Propelled racing wherein the mechanical force to place an object in motion results from the force of the object"s weight which tends to pull a body toward the center of the Earth.

Patents under this class:

Patent Number Title Of Patent Date Issued
8574099 Par one Nov. 5, 2013
8497838 Push actuation of interface controls Jul. 30, 2013
7677991 Par one Mar. 16, 2010
7651398 Toy vehicle raceways Jan. 26, 2010
7241223 Toy car racing apparatus Jul. 10, 2007
6508179 Unpowered toy vehicle play set Jan. 21, 2003
5676374 Toy staircase game apparats and method Oct. 14, 1997
5452893 Competitive, multi-lane vehicle racetrack Sep. 26, 1995
5152528 Magnetic race car game device Oct. 6, 1992
5007876 Banked hairpin marble race toy Apr. 16, 1991
4932917 Start gate marble race toy Jun. 12, 1990
4874342 Jump chute marble race toy Oct. 17, 1989
4673182 Pivoted track and slot car amusement device or game Jun. 16, 1987
4569522 Gaming device using visible randomization Feb. 11, 1986
4251949 Toy track and bowl with car height indicator Feb. 24, 1981
4249733 Toy Raceway Feb. 10, 1981
4227693 Toy racing track Oct. 14, 1980
4153250 Gravity-type racing game May. 8, 1979
4077628 Race track game Mar. 7, 1978
4076245 Racing game and game piece Feb. 28, 1978
4055341 Tilting maze race game Oct. 25, 1977
4007933 Timing game Feb. 15, 1977

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