|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|인용정보||피인용 횟수 : 26 인용 특허 : 2|
A litter box liner includes a plurality of removable layers stacked one inside of the other and conformable to the shape of the interior surface of a litter box. The liner includes an imperforate bottom layer and a plurality of screening layers positioned above the bottom layer. Each screening layer includes a bottom wall with a plurality of openings therethrough which are large enough to pass granular litter but small enough to block animal excrement. The screening layer also includes an imperforate flap attached beneath the bottom wall by a flexible ed...
A litter box liner adapted to be positioned between a litter box and the litter contained therein comprising: (a) a removable imperforate bottom layer which is conformable to the shape of the interior surface of the litter box and has a bottom wall and a peripheral wall extending upwardly from the bottom wall and integral therewith, and (b) a plurality of removable screening layers stacked one inside of the other and positioned above the imperforate bottom layer, each of said screening layers being conformable to the shape of the interior surface of the ...