专利检索 ap:("H A LOTT INC") AND inv:"HACKER GEORGE A" 第 1 页

1.

发明授权
Concrete shaper apparatus 失效
标题翻译：混凝土形状设备

公开(公告)号：US3613185A

公开(公告)日：1971-10-19

申请号：US3613185D

申请日：1969-03-26

申请人： H A LOTT INC

发明人： HACKER GEORGE A

IPC分类号： E04G11/34 , E04G13/06

CPC分类号： E04G13/06 , E04G11/34 , E04G13/062

摘要： CONCRETE SHAPER APPARATUS HAVING POWER MEANS FOR MOVING SAME, AND A METHOD, FOR SHAPING A PLURALITY OF CONCRETE STADIUM RISERS AND TREADS, OR A SIMILAR STRUCTURE, CONTINUOUSLY AS THE APPARATUS IS MOVING.