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특허 상세정보

Litter box liner

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A01K-029/00   
미국특허분류(USC) 119/1
출원번호 US-0733089 (1985-05-13)
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 ...

이 특허를 인용한 특허 피인용횟수: 26

  1. Ver Hage Richard P.. Animal cage and method for making same. USP2001096293227.
  2. Ouellette William R. (Cincinnati OH) Hammons John L. (Hamilton OH) Lavash Bruce W. (West Chester OH). Animal waste collection system comprising nonsorbent, nonclumping litter, liquid sorbent means and filter. USP1991085038721.
  3. Kuiper, William J.; Timyan, Stephen J.. Animal waste disposal system. USP201506D731716.
  4. Kuiper, William J.; Timyan, Stephen J.. Animal waste disposal system. USP2018049949458.
  5. Ohlman, Vernon C.; Lilly, Barry. Animal waste disposal system. USP2011128074603.
  6. Fraser,Patti F.; Fraser,Kelly J.. Cat litter box. USP2006087082892.
  7. Ginn Sharron A.. Cat litter container. USP2001036205953.
  8. Wilson Michael E. (818 Hayes ; Apt. C San Francisco CA 94102). Cat litter screening device. USP1989024802442.
  9. Murphy Edward J. (6510 Preston Trail Dr. Houston TX 77069). Container with waste removal device. USP1997125701844.
  10. Moore ; III Johnnie. Disposable cat litter box. USP1998015709171.
  11. Ohlman, Vernon C.. Disposable litter liner. USP201704D783907.
  12. Morris Donald G. (9815 N. 100th Pl. Scottsdale AZ 85258) Nelson Gregory J. (4033 E. Highland Phoenix AZ 85018). Disposable receptacle with integral flexible closure. USP1988104779566.
  13. Savicki, Alan F.. Litter Box Liner. USP2013038387568.
  14. Jones, Fayann B.. Litter box. USP201511D743641.
  15. Veness, David; Baker, Nicholas. Litter pan system. USP201703D782756.
  16. Morrow Dan (16711 Marsh Creek Rd. ; #67 Clayton CA 94517). Mechanical cat litter box. USP1989084854267.
  17. Whitfield Roxana R. (1359 Miramonte Ct. Berkeley CA 94703). Odor control pet excrement pan. USP1989064836141.
  18. Huang, Paul. Pet litter box cleaning system. USP20190210206370.
  19. Hammons John L. (Hamilton OH) Ouellette William R. (Cincinnati OH) Lavash Bruce W. (West Chester OH). Pet litter box system which prevents the development of unpleasant odors. USP1991075031578.
  20. Fisher Greg L. (P.O Box 434 West Linn OR 97068) MacDonald Robert D. (147 5th St. Lake Oswego ; OR 97034). Pet litter separation system including pull-out cover. USP1997115690051.
  21. Petty, Nicholas; Gumpesberger, Ralph P.. Pet litter tray, box, and system. USP20181210159215.
  22. Martin James L. (Poplar & McKinley Stonefort IL 62987) Jackson A. R. (707 S. Bentley Marion IL 62959). Prepacked and disposable animal litter receptacles and containment therefor. USP1989014801006.
  23. Lundeen Marcee G. ; Lundeen Daniel N. ; Gaman Milton. Reusable quick sifter. USP1999045890452.
  24. Jaeger Alice. Sanitary cat litter box and method of use. USP2000106135058.
  25. Wallace, Millard F.. Shaped articles having peelable, perforated surfaces and their use for segregating particulate materials, such as in animal litter trays. USP2018029902144.
  26. Petty, Nicholas; Gumpesberger, Ralph P.. Sifting litter box. USP201901D839498.