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US 7,458,337 B2Granted
Portable cat litter box
OwnerPatti Callaninventor
Life of this patent
Estimating the term…
Abstract
A portable cat litter box comprises a lower portion having a pair of wheels mounted thereon, an upper portion that is attachable to the lower portion in order to collectively define an interior compartment for containing kitty litter, a door pivotally suspended in order to allow ingress and egress of a cat into the interior compartment, and an extension handle pivotally attached to the cat litter box to facilitate transportation thereof and which is lockable to the upper portion during non-use.
Claims21
A portable cat litter box, comprising:
- a lower portion defining an enclosure being open on a top thereof and comprising a bottom wall, a pair of opposing side walls and a pair of opposing end walls, the enclosure being adapted to contain kitty litter therewithin;
- a pair of wheels rotatably mounted on opposing side walls of the lower portion at one of opposing ends of the cat litter box;
- an upper portion defining an enclosure being open on a bottom thereof and being removably attachable to the lower portion such that the top and bottom portions collectively define an interior compartment, the upper portion having a top wall, a pair of opposing upper side walls and a pair of opposing upper end walls interconnecting the side walls, the upper portion end wall opposite the pair of wheels having an opening formed therein;
- a pair of lift handles pivotally mounted on the top wall and being sized and configured to facilitate lifting of the cat litter box, the pair of lift handles being generally centered along a length of the top wall and being disposed on opposing sides of a centerline of the top wall, the lift handle being configured to be lockable to the top wall during non-use;
- and
- an elongate extension handle pivotally attached to the top wall at an end of the cat litter box opposite the end having the wheels mounted thereto;
- the extension handle being pivotal against the top wall and being oriented in substantial alignment with the centerline and lockable against the top wall during non-use, the extension handle being sized and configured to facilitate rolling movement of the car litter box.
4 more elements
A portable cat litter box, comprising:
- a lower portion defining an enclosure being open on a top thereof and comprising a bottom wall, a pair of opposing side walls and a pair of opposing end walls, the enclosure being adapted to contain kitty litter therewithin, each one of the side walls including a wheel well extending laterally thereinwardly;
- a pair of wheels rotatably mounted to the lower portion in respective ones of the wheel wells and being sized and configured such that outer surfaces of each of the wheels is substantially flush with the lower portion side wall;
- a pair of leg members extending downwardly from the bottom wall of the lower portion and being located adjacent respective ones of the side walls at an end of the cat litter box opposite the end having the wheels mounted thereto, the leg members being sized such that the lower portion is oriented substantially level when the cat litter box is supported on a level surface;
- an upper portion defining an enclosure being open on a bottom thereof and being hingedly removably attachable to the lower portion such that the top and bottom portions collectively define an interior compartment, the upper portion having a top wall, a pair of opposing side walls and a pair of opposing end walls interconnecting the side walls, one of the end walls having an opening formed therein;
- a door pivotally suspended on the opening and being configured to pivot inwardly and outwardly relative to the interior compartment to allow ingress and egress thereof;
- a pair of lift handles pivotally mounted on the top wall and being sized and configured to facilitate lifting of the cat litter box, the pair of lift handles being generally centered along a length of the top wall and being disposed on opposing sides of a centerline of the top wall, the lift handles being configured to be lockable to the top wall during non- use;
- an elongate extension handle pivotally connected to the top wall at an end of the cat litter box opposite the end having the wheels mounted thereto, the extension handle being pivotable against the top wall and being oriented in substantial alignment with the centerline and lockable against the top wall during non-use, the extension handle being sized and configured to be outwardly pivotable from the top wall to facilitate rolling movement of the cat litter box;
- a scoop holder mounted on one of the side walls of the upper portion and being sized and configured to support a litter scooping device;
- a plurality of vaned vent openings integrally formed in the top wall and being configured to allow ventilation of the interior compartment;
- and
- a ramp element removably mountable to the cat litter box and extending outwardly therefrom adjacent the opening.
8 more elements
A portable cat litter box, comprising:
- a lower portion defining an enclosure being open on a top thereof and comprising a bottom wall, a pair of opposing side walls and a pair of opposing end walls, the enclosure being adapted to contain kitty litter therewithin, each one of the side walls including a wheel well extending laterally thereinwardly;
- a pair of wheels rotatably mounted to the lower portion in respective ones of the wheel wells and being sized and configured such that outer surfaces of each of the wheels is substantially flush with the lower portion side wall;
- a pair of leg members extending downwardly from the bottom wall of the lower portion and being located adjacent respective ones of the side walls at an end of the cat litter box opposite the end having the wheels mounted thereto, the leg members being sized such that the lower portion is oriented substantially level when the cat litter box is supported on a level surface;
- an upper portion defining an enclosure being open on a bottom thereof and being hingedly removably attachable to the lower portion such that the top and bottom portions collectively define an interior compartment, the upper portion having a top wall, a pair of opposing side walls and a pair of opposing end walls interconnecting the side walls, one of the end walls having an opening formed therein;
- a door pivotally suspended on the opening and being configured to pivot inwardly and outwardly relative to the interior compartment to allow ingress and egress thereof;
- a pair of lift handles pivotally mounted on the top wall and being sized and configured to facilitate lifting of the cat litter box, the pair of lift handles being generally centered along a length of the top wall and being disposed on opposing sides of a centerline of the top wall, the lift handles being configured to be lockable to the top wall during non-use;
- and
- an elongate extension handle pivotally connected to the top wall at an end of the cat litter box opposite the end having the wheels mounted thereto, the extension handle being pivotable against the top wall and being oriented in substantial alignment with the centerline and lockable against the top wall during non-use, the extension handle being sized and configured to be outwardly pivotable from the top wall to facilitate rolling movement of the cat litter box.
5 more elements
Dependencies are inferred from the claim text.