Mark Identification

ZIRPROP

Serial Number

73406071

Filing Date

Dec 15, 1982

Registration Date

Jul 23, 1985

Trademark by

SOCIETE EUROPEENNE DES PRODUITSREFRACTAIRES

Classification Information

GRANULAR FUSION-CAST OXIDE-BASED MINERALS FOR USE IN THE EXTRACTION AND/OR RECOVERY OF OIL AND OTHER HYDROCARBONATED FLUIDS FROM POROUS ROCK FORMATIONS AND WELLS, AND USE FOR DRILLING AND PROSPECTING FOR SUCH FLUIDS

Chemicals

PROPPING AGENTS, NAMELY, GRANULAR FUSION-CAST OXIDE-BASED PELLETS FOR USE IN THE EXTRACTION AND/OR RECOVERY OF OIL AND OTHER HYDROCARBONATED FLUIDS FROM POROUS ROCK FORMATIONS AND WELLS, AND FOR DRILLING AND PROSPECTING FOR SUCH FLUIDS

Nonmetallic Building Materials

PROSPECTING AND DRILLING SERVICES IN THE FIELD OF HYDROCARBONATED FLUIDS ON BEHALF OF OTHERS

Computer and Scientific
PERPETU