U.S. federal trademark · Serial No. 79454848
Filters for air purifiers; filters for cleaning air; air cleaning filters [parts of air cleaning machines or installations]; air filters; air filters for use as dust arrestants in industrial processes; air filters for use as dust extractors in industrial processes; air filtering installations; filters for use with apparatus for air conditioning; air filters for air conditioning units; dust filters.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.