DUOFLEX Trademark
Serial Number: 79132790 • Registration: 4468459
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
May 23, 2013
Registration Date
January 21, 2014
Published for Opposition
November 5, 2013
Cancellation Date
May 24, 2023
Goods & Services
Coal, coke, oil, natural gas, and alternative fuels burners for industrial use coal, coke, oil, natural gas, and alternative fuels burners for cement kilns and minerals kilns