Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Reexamination Certificate
2009-02-19
2011-11-22
Lawrence, Jr., Frank (Department: 1776)
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
C096S135000, C096S154000
Reexamination Certificate
active
08061301
ABSTRACT:
An air filter assembly is provide in conjunction with a cat litter receptacle that includes a supporting structure for a filter element. The filter element is formed of a porous structure incorporating activated ingredients specifically adapted for deodorizing unpleasant odors. The activated ingredients include activated carbon, carbon fiber, and zeolite, as well as combinations of carbon and zeolite.
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Gugliotta, PE, Esq John D.
Lawrence, Jr. Frank
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