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sealvo.com · USPTO Trademark Record
https://sealvo.com/duo-72220085

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.
DUO (Serial No. 72220085), Registration No. 807758, is a abandoned US trademark by DUO-MARINE, INC.. This trademark covers Class 019 (Non-metallic building materials).
First use anywhere: May 31, 1961
First use in commerce: Aug 01, 1961
Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.
This description is as filed with the USPTO and defines the scope of trademark protection.
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