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sealvo.com · USPTO Trademark Record
https://sealvo.com/flat-line-72335285

Advertising; business management, organization and administration; office functions.
FLAT LINE (Serial No. 72335285), Registration No. 896035, is a abandoned US trademark by DAYCO PRODUCTS, INC.. This trademark covers Class 035 (Advertising, business management & retail services).
First use anywhere: May 31, 1969
First use in commerce: May 31, 1969
Advertising; business management, organization and administration; office functions.
This description is as filed with the USPTO and defines the scope of trademark protection.
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