Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Reexamination Certificate
2006-08-01
2006-08-01
Poon, Peter M. (Department: 3644)
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
C119S167000
Reexamination Certificate
active
07082892
ABSTRACT:
A cat litter box is provided, comprising four side walls connected in a rectangular shape, a rounded top edge, two hinged bottom trap doors, and protective edges connected to the bottom trap doors to keep litter from emptying when the doors are closed. The cat litter box has particular utility in connection with quickly and completely emptying all litter contents from the box through the bottom trap doors when the cat litter box is lifted.
REFERENCES:
patent: 3581975 (1971-06-01), Roccop
patent: 3796188 (1974-03-01), Bradstreet
patent: 4027625 (1977-06-01), Wheeler
patent: 4271544 (1981-06-01), Hammond
patent: 4615300 (1986-10-01), McDonough
patent: 4771731 (1988-09-01), Derx et al.
patent: 4802442 (1989-02-01), Wilson
patent: 5123540 (1992-06-01), Karavias
patent: 5394835 (1995-03-01), Gatta
patent: 6295948 (2001-10-01), Bowron
patent: 6408790 (2002-06-01), Maguire
patent: 6439161 (2002-08-01), Clemmons
patent: 2002/0029993 (2002-03-01), Wang
patent: 2004/0026296 (2004-02-01), Nesting
patent: 2004/0069787 (2004-04-01), Gruennert et al.
Fraser Kelly J.
Fraser Patti F.
Poon Peter M.
Shaw Elizabeth
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