Patent ID: 7380370

Claim:
A rodent repellent device comprising: a housing comprising a base supporting a lid, the housing substantially enclosing a porous storage medium in an interior region of the housing; a repellent disposed within the storage medium, the repellent comprising a component of feline urine that disperses into atmospheric air at room temperature; a frangible membrane sealing the porous storage medium within the interior region of the housing; and a tab extending from the frangible membrane and exposed to be pulled to tear the frangible membrane to expose the repellent; wherein the housing is operable to expose the repellent to air circulation; wherein the lid is attached to the base and is rotatable between: a closed position in which the lid and the base engage to form a seal restricting hydraulic communication between the interior region of the housing and the air; and an open position in which the lid and the base define passages enabling hydraulic communication between the interior region and the air; wherein the frangible membrane is a portion of a plastic bag and the tab is a flexible strip extending from the plastic bag, between the lid and base, and beyond and outside the housing.