Mark Identification

ECONOPROP

Serial Number

74292243

Filing Date

Jul 6, 1992

Registration Date

Mar 9, 1993

Trademark by

CARBO CERAMICS INC.

Active Trademark

Classification Information

ceramic pellets, shot, or spheres for use in oil well and gas well hydraulic fracturing and as a gravel pack material for sand control operations

Nonmetallic Building Materials