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-0862377 (1977-12-20) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 44 인용 특허 : 1 |
An improved self-propelled carpet cleaning machine comprises a body movably mounted by a drive wheel. The body is powered by a drive motor which may be selectively connectable either to an AC power source located separately from the body or to a DC power source contained in the body. In addition, th
A carpet cleaning machine, which comprises: (a) a body movably supported by at least one drive wheel for movement over the carpet; (b) a powered drive means carried on the body and operatively connected to the drive wheel for moving the body at least in a forward direction; (c) storage means carried
※ AI-Helper는 부적절한 답변을 할 수 있습니다.