Self-cleaning litter box
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United States of America Patent
Stats
-
Apr 16, 2019
Grant Date -
N/A
app pub date -
Apr 30, 2004
filing date -
Jul 17, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A self-cleaning litter box for cats employs a comb drive to drive a comb through litter to remove waste from the litter. A sensor for detecting the presence of an obstruction is coupled to the comb drive and stops the comb drive upon detecting an obstruction. A manual mode selector switch and an actuating switch are provided to manually activate the cleaning of the litter box at a time deemed appropriate by the cat owner. A foot pedal unit may be provided for semi-automatic use. A removable tray for cat litter may be provided. The tray may be disposable. A pivotable ramp facilitates ingress to, and egress from, the litter box. The ramp may be carpeted. A tray receives the litter box and a hood encloses the litter box to provide privacy.
First Claim
Family
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Cited Art Landscape
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