ABACO

Lifting apparatus for use in the stone and construction industry, namely, power-operated clamping lifters; power-operated crane attachments, namely, grapples and grabs for lifting slabs and stone, spreader bars for slings for use with cranes for spreading the lifting force on a load, and fork-lift booms for use in converting fork-lift trucks to cranes; powered site saws for cutting stone, concrete and brick; power mixers for cement, grouting, mortar, gypsum-based plaster and plasterer's mud; and power-operated finishing machines in the nature of beltsanders, grinders and polishers

Wheeled dollies, trolleys and handcarts for transporting construction materials; and wheeled transport frames adapted to carry stacked slabs of material