Mark Identification
ADT
Serial Number
73022833
Filing Date
May 30, 1974
Registration Date
May 20, 1975
Trademark by
Classification Information
CARD-OPERATED, COMPUTER-CONTROLLED ELECTRICALLY ACTUATED LOCKING SYSTEMS FOR USE IN HOTELS, MOTELS AND OTHER ESTABLISHMENTS WHERE IT IS DESIRED TO HAVE THE CAPABILITY OF EASILY CHANGING KEYING CODES FOR INDIVIDUAL DOORS FROM TIME TO TIME
Electrical and Scientific Apparatus