Mark Identification

MICRO-AIR

Serial Number

72041503

Filing Date

Nov 29, 1957

Registration Date

Sep 16, 1958

Trademark by

CONSTRUCTION RESEARCH & TECHNOLOGY GMBH

Classification Information

COMPOSITION FOR INCORPORATION IN CONCRETE AND MORTAR MIXES TO ENTRAIN AIR IN THE MIXES TO IMPROVE THE DURABILITY AND THE RESISTANCE TO FREEZING AND THAWING OF THE HARDENED CONCRETE OR MORTAR

Metal Goods