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Class Information
Number: 454/288
Name: Ventilation > Having inlet airway > Including specific air distributor (e.g., register, etc.) > Baseboard type > Including portion or element movable during normal use
Description: Subject matter wherein the air directing means has a part or component capable of motion under usual operating conditions.

Patents under this class:

Patent Number Title Of Patent Date Issued
7189158 Airflow control system Mar. 13, 2007
6511373 Cornice duct system Jan. 28, 2003
5181884 Ventilating device for baseboard heater Jan. 26, 1993

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