IC 009. US 021 023 026 036 038. G & S: Access control monitoring systems for enabling access or entrance control; automatic sliding doors; and electric and electronic operating mechanisms for automatic barriers and gates
IC 019. US 001 012 033 050. G & S: Non-metallic sliding doors, non-metallic revolving doors, non-metallic and non-automatic turnstiles, non-metallic roller doors, non-metallic folding doors and swing-up doors, non-metallic flexible hanging and strip doors; and non-metallic door frames
IC 020. US 002 013 022 025 032 050. G & S: Non-metallic building fittings and door and window furniture, namely, door hinges, door handles, door bolts, and door knobs; fillings for windows and doors not of metal, namely, non-metal door latches, non-metal door trims, non-metal door viewers, and non-metal window trims
IC 037. US 100 103 106. G & S: Maintenance, repair, and installation of doors, gates, and barriers, especially automatic doors, industrial doors, and automatic gates and barriers and associated components and spare parts for such equipment
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