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US 7,114,459 B2Granted
Apparatus, system and method for litter sifter
OwnerRonald M. Schmidt, Linda M. Schmidtinventors
Life of this patent
Estimating the term…
Abstract
A litter sifter, litter sifter system and method for using. A litter sifter includes a lower portion having a through-holes. An upper portion is connected to the lower portion. Handles are connected to the upper portion. A distance between any two through-holes is equal to a distance between any other two through-holes.
Claims8
A litter sifter comprising:
- a lower portion having a plurality of through-holes,
- an upper portion coupled to the lower portion, and
- a plurality of handles coupled to said upper portion,
- wherein a distance between any through-hole for three closest adjacent through-holes is equal, wherein a distance between adjacent through-holes is one half of a diameter of each through-hole of said plurality of through-holes, and each through-hole of said plurality of through-holes is circular.
1 more element
A method for removing clumped litter material and sifting un-clumped litter material comprising:
- providing a litter sifter, said litter sifter having a lower portion having a plurality of circular through-holes, where a distance between any through-hole for three closest adjacent through-holes is equal, and the distance between adjacent through-holes is half of a diameter of each of the plurality of through-holes,
- an upper portion coupled to the lower portion, and
- a plurality of handles coupled to said upper portion,
- introducing a litter material into said litter sifter,
- gripping said plurality of handles, and
- sifting said litter sifter so that solid matter and clumped litter material are retained in said litter sifter via said plurality of through-holes.
3 more elements
Dependencies are inferred from the claim text.