System for filtering and scenting of the air of individual...

Details System for filtering and scenting of the air of individual... System for filtering and scenting of the air of individual...

2005-04-12

2005-04-12

Joyce, Harold (Department: 3749)

Ventilation

Having inlet airway

Including specific air distributor

C422S123000, C454S291000

Reexamination Certificate

active

06878057

ABSTRACT:
A system for individualized filtering and scenting of the air of individual rooms of a building which is serviced by a ducted central forced air handling system. The system includes a conventional “tri-louvered” ceiling register and a filtering and scenting element designed to be inserted and removed from said register without the necessity of removing the register from attachment to the ceiling. The filtering and scenting element is a filtration media disposed between layers of supporting frame-work.

REFERENCES:
patent: 5240653 (1993-08-01), Ramkissoon
patent: 5269723 (1993-12-01), Bender
patent: 5273690 (1993-12-01), McDowell
patent: D346856 (1994-05-01), Kany
patent: 5460787 (1995-10-01), Colon
patent: 5478505 (1995-12-01), McElfresh et al.
patent: 5947815 (1999-09-01), Danforth
patent: 6190607 (2001-02-01), Farmer

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