Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1994-09-09
1996-04-16
Manahan, Todd E.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
A01K 1035
Patent
active
055072488
ABSTRACT:
A cat litter sifting device for use with clumping litter includes a pair of nesting pans, the inner one of which has a plurality of holes sized and spaced apart to pass unclumped litter but which trap substantially all clumped litter and fecal matter. The inner pan has uniform bottom and side walls and is closely fitted in the outer pan so that there are substantially no gaps for trapping litter between the pans.
REFERENCES:
patent: 3752120 (1973-08-01), Pallesi
patent: 4030449 (1977-06-01), Ruddick et al.
patent: 4615300 (1986-10-01), McDonough
patent: 4723510 (1988-02-01), Skillestad
patent: 5325815 (1994-07-01), Gumpesberger
patent: 5372095 (1994-12-01), Dowling et al.
patent: 5419282 (1995-05-01), Dennis
Fishel Grace J.
Manahan Todd #E.
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