Mark Identification

GRASSTONE

Serial Number

73087656

Filing Date

May 19, 1976

Registration Date

Dec 28, 1976

Trademark by

FORSCHUNGSGRUPPE FUR BAUTECHNOLOGIE AG/CONSTRUCTION TECHNOLOGY RESEARCH GROUP LTD.

Classification Information

CONCRETE PAVING BLOCKS HAVING SERIES OF VERTICALLY EXTENDING HOLES EXTENDING THERETHROUGH

Nonmetallic Building Materials