Method and apparatus for a lighting and/or mechanical system

Fire extinguishers – Processes – Of preventing fire

Reexamination Certificate

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Details

C169S016000, C169S037000, C169S041000, C169S046000, C239S208000

Reexamination Certificate

active

06997267

ABSTRACT:
A system for placement in a ceiling of a room to provide a fluid to the room. A method for protecting a room from fire. The method comprises the steps of placing a primary profile in a ceiling of the room. A system for placement in a ceiling of a room to provide air to the room. A method for providing air to a room. A system for placement in a ceiling of a room to provide sound to the room. A method for providing sound to a room. A system for placement in a ceiling of a room to provide information to the room. A method for providing information to a room.

REFERENCES:
patent: 6123154 (2000-09-01), MacDonald et al.
patent: 6158519 (2000-12-01), Kretschmer
patent: 6484809 (2002-11-01), Elder

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