최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0216920 (1980-12-16) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 40 인용 특허 : 0 |
This disclosure is directed to a toy guideway or track and vehicle for riding thereover. The track is made of a plastic material of such state and configuration wherein the track is not normally self supporting. Self support means are provided to support the track in a desired manner to define a tra
A trackway comprising in combination with a toy vehicle having plural wheels, a trackway including a base having an upper surface along which said vehicle may travel, guide means for defining a path of travel for said vehicle on said upper surface, said guide means including at least one formation m
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