Air filter assembly

Details Air filter assembly Air filter assembly

2008-07-01

2008-07-01

Boles, Derek S. (Department: 3749)

Ventilation

Having inlet airway

Including specific cover or shield for exterior vent opening

C055S471000, C416S24700A

Reexamination Certificate

active

07393272

ABSTRACT:
A kit for forming an air filtering assembly from a portable box fan assembly having a parallelepiped housing with square open sides through which an electric motor driven fan in the housing propels air, and a filter assembly including a parallelepiped frame with opposite sides with through openings generally corresponding in size to the open sides of the housing of the box fan assembly and a sheet of air filtering material within the filter assembly frame between its sides. The kit includes (1) a plurality of clips or hooks; (2) a lengths of adhesive for adhering the clips or hooks to outer surfaces of side portions of the housing for the box fan assembly; and (3) a resiliently elastic cord adapted to extend through passageways in the clips or hooks and between the clips or hooks around the side of the filter assembly opposite the box fan assembly to retain the filter assembly along one of the sides of the housing of the box fan assembly.

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