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sealvo.com · USPTO Trademark Record
https://sealvo.com/welstik-88523174

Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.
WELSTIK (Serial No. 88523174), Registration No. 5982041, is a registered US trademark filed on Jul 19, 2019 by Shiqi,Zhang. This trademark covers Class 017 (Rubber, plastics & insulating materials).
First use anywhere: Jul 20, 2018
First use in commerce: Jul 20, 2018
Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.
This description is as filed with the USPTO and defines the scope of trademark protection.
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