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sealvo.com · USPTO Trademark Record
https://sealvo.com/windlok-73088664

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.
WINDLOK (Serial No. 73088664), Registration No. 1056087, is a abandoned US trademark filed on May 27, 1976 by GLOBE BUILDING MATERIALS, INC.. This trademark covers Class 019 (Non-metallic building materials).
First use anywhere: Sep 22, 1949
First use in commerce: Sep 26, 1949
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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