Mark Identification

AUTO CLOSER SYSTEM

Serial Number

73118040

Filing Date

Mar 4, 1977

Registration Date

Dec 30, 1980

Trademark by

FEDERAL SIGNAL CORPORATION

Classification Information

Electrically Controlled Door Holding and Releasing System Primarily for Use in Hospitals for Closing Corridor and Patient Room Doors in the Event of Smoke or Fire Emergency-Namely, Pneumatically-Operated Door Closer Apparatus, Separate Smoke Detectors and Control Panel Interface Module

Electrical and Scientific Apparatus