Self-cleaning pet litter apparatus and related method

Details Self-cleaning pet litter apparatus and related method Self-cleaning pet litter apparatus and related method

2006-03-28

2006-03-28

Luu, Teri Pham (Department: 3644)

Animal husbandry

Waste toilet or related device

Walled receptacle; e.g., litter box, etc., containing...

Reexamination Certificate

active

07017519

ABSTRACT:
A self-cleaning litter apparatus (30) comprises a base (31); a turntable (32), rotatably mounted within the base; a pan (33), for holding a quantity of animal litter, the pan being rotatably driven with the turntable; a rake assembly (36), providing a rake movable through the animal litter; a waste receptacle (37) for receipt of animal waste deposited in the litter, the receptacle providing a door (155) selectively moving to open and close the receptacle relative to movement of the rake assembly; a sensing mechanism (120) comprising a plurality of weight sensors (66), and an electrically activated track assembly (121) for determining the presence of an animal in the pan; a drive mechanism (170) for rotating the turntable, driving the rake assembly and operating movement of the door and, a controller (259) having a timer, and selectively providing power to the sensing mechanism.

REFERENCES:
patent: 2963003 (1960-12-01), Oberg et al.
patent: 4027625 (1977-06-01), Wheeler
patent: 4050414 (1977-09-01), Knochel et al.
patent: 4120264 (1978-10-01), Carter
patent: 4190525 (1980-02-01), Menzel
patent: 4574735 (1986-03-01), Hohenstein
patent: 4846104 (1989-07-01), Pierson, Jr.
patent: 5048463 (1991-09-01), Wilson et al.
patent: 5048464 (1991-09-01), Shirley
patent: 5048465 (1991-09-01), Carlisi
patent: 5107797 (1992-04-01), LaRoche
patent: 5167204 (1992-12-01), Nussle
patent: 5178099 (1993-01-01), Lapps et al.
patent: 5226388 (1993-07-01), McDaniel
patent: 5259340 (1993-11-01), Arbogast
patent: 5272999 (1993-12-01), Nussle
patent: 5279258 (1994-01-01), Kakuta
patent: 5477812 (1995-12-01), Waters
patent: 5509379 (1996-04-01), Hoeschen
patent: 5544620 (1996-08-01), Sarkissian
patent: 5551375 (1996-09-01), Flores
patent: 5564364 (1996-10-01), Kovacs et al.
patent: 5572950 (1996-11-01), O'Rourke et al.
patent: 5592900 (1997-01-01), Kakuta
patent: 5622140 (1997-04-01), McIlnay-Moe
patent: 5662066 (1997-09-01), Reitz
patent: 5749318 (1998-05-01), Barbot et al.
patent: 5752465 (1998-05-01), Page
patent: 5755181 (1998-05-01), Petkovski
patent: 5794566 (1998-08-01), Goetz et al.
patent: 5931119 (1999-08-01), Nissim et al.
patent: 6039003 (2000-03-01), Cox
patent: 6055935 (2000-05-01), Engel
patent: 6082302 (2000-07-01), Thaler et al.
patent: RE36847 (2000-09-01), Waters
patent: 6126015 (2000-10-01), Haymaker
patent: 6202595 (2001-03-01), Atcravi
patent: 6205953 (2001-03-01), Ginn
patent: 6205954 (2001-03-01), Bogaerts
patent: 6234112 (2001-05-01), Emery
patent: 6286457 (2001-09-01), Sugahara
patent: 6286459 (2001-09-01), Parr
patent: 6289847 (2001-09-01), Carlisi
patent: 6367420 (2002-04-01), Tomlinson
patent: 6378461 (2002-04-01), Thaler et al.
patent: 6401661 (2002-06-01), Emery
patent: 6568348 (2003-05-01), Bedard
patent: 6588369 (2003-07-01), Carlisi
patent: 6701868 (2004-03-01), Shepherd
patent: 6763782 (2004-07-01), Kordelin
patent: 6851386 (2005-02-01), Northrop et al.
patent: 6863026 (2005-03-01), Northrop et al.
patent: 6892670 (2005-05-01), Northrop et al.
patent: 6951190 (2005-10-01), Northrop et al.
patent: 2002/0037614 (2002-03-01), Carlisi
patent: 2002/0134314 (2002-09-01), Carlisi
patent: 2002/0139312 (2002-10-01), Reltz
patent: 2002/0139313 (2002-10-01), Mack, Jr. et al.
patent: 2003/0217700 (2003-11-01), Northrop et al.
patent: 2004/0177816 (2004-09-01), Parr
patent: 297 18 260 (1998-04-01), None
patent: 0 875 140 (1998-11-01), None
patent: WO 99/62329 (1999-12-01), None

Affiliated with

Also associated with

Rating

Self-cleaning pet litter apparatus and related method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Self-cleaning pet litter apparatus and related method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self-cleaning pet litter apparatus and related method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3558867