Mark Identification

TIGHTLINE

Serial Number

75190768

Filing Date

Oct 31, 1996

Trademark by

NORTH AMERICAN REFRACTORIES COMPANY

Classification Information

electronic apparatus for monitoring the performance of refractory linings for molten metal ladles, namely, laser-based refractory lining thickness measuring apparatus, and thermal imaging apparatus for detecting hot spots on ladle exteriors associated with localized regions of reduced-thickness refractory lining

Electrical and Scientific Apparatus

refractory linings for molten metal ladles

Nonmetallic Building Materials