TF21 Trademark

Serial Number: 76238628

TF21 is a trademark filed by NGK SPARK PLUG CO., LTD. on April 9, 2001. The trademark is classified under Class 9 (Computers & Electronics). The application is currently no longer active.

Trademark Classes

Class 9 - Computers & Electronics

Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments

Owner Contact Info

NGK SPARK PLUG CO., LTD. (120 trademarks)

MIZUHO-KU, NAGOYA , JP

Entity Type: 03

Legal Representation

Attorney of Record

LAWRENCE E. ABELMAN

18,371 trademarks filed View all →

Trademark Details

Filing Date

April 9, 2001

Registration Date

Not Registered

Published for Opposition

June 4, 2002

Goods & Services

Apparatus for measuring oxygen concentration in air or gas, namely, zirconia exhaust gas oxygen sensors, fast light-off oxygen sensors, ultra fast light-off oxygen sensors, thick film type oxygen sensors and oxygen sensors for CNG engine; apparatus for measuring oxygen concentration and controlling the air/fuel ratio in the exhaust gas from internal combustion engines, boilers, incinerators, gas turbines, generators and fuel cells, namely, universal air/fuel heated exhaust gas oxygen sensors