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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0366248 (1994-12-28) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 35 인용 특허 : 0 |
A ventilated litter box in which a lower pan removably receives an enclosing cover having a pet access opening, a ventilation opening, and a fan housing surrounding the ventilation opening which includes an electric fan positioned to withdraw air through the ventilation opening from an interior spac
A ventilated litter box for an animal, the litter box comprising: a housing having an access opening and a ventilation opening therethrough; a fan secured to said housing for withdrawing air from within said housing through said ventilated opening; and a control circuit for controlling the operation
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