United States Patent 2687304
Inventors:
Northrop, John K.
Northrop, John H.
Michael, Nagy
Publication Date:
08/24/1954
Assignee:
John, Northrop K.
Other Classes:
191/22C, 104/247, 446/446, 238/12, 191/22R, 104/60, 104/295
International Classes:
A63H18/12; A63H18/00
US Patent References:
| 1886484 | Toy electrical road vehicle | | | |
| 1914116 | Collapsible electric train set | | | |
| 1999052 | Race game apparatus | | | |
| 2036603 | Game apparatus | | | |
| 2039055 | Toy vehicle | | | |
| 2068403 | Vehicular apparatus | | | |
| 2112072 | Toy electric automobile and roadway therefor | | | |
| 2115108 | Electric track for toy vehicles | | | |
| 2401468 | Supporting surface for toy railroad systems and similar amusement devices | | | |