Who owns the PERMALOK trademark?

The PERMALOK trademark is owned by UNITED-GREENFIELD CORPORATION.

What class is the PERMALOK trademark registered in?

The PERMALOK trademark is registered in Class 023 (Yarns & threads for textile use).

The USPTO serial number for PERMALOK is 72222437.

PERMALOK is registered under USPTO registration number 809541.

Updated Nov 4, 2026·19 searches this week

PER

ABANDONED

Yarns and threads for textile use.

Class 023Yarns & threads for textile use

US codes: 023

First use anywhere: Apr 05, 1965

First use in commerce: Apr 05, 1965

Yarns and threads for textile use.

This description is as filed with the USPTO and defines the scope of trademark protection.