Title:
Block mold
United States Patent 2475435
US Patent References:
/0341161.html
- - 0341161
/0674035.html
- - 0674035
Process of making lath board
- - 1437503
Mold for tiles or blocks of concrete
- - 1457991
Mold and process of molding faced concrete blocks
- - 1635093
/0341161.html
- - 0341161
/0674035.html
- - 0674035
Process of making lath board
- - 1437503
Mold for tiles or blocks of concrete
- - 1457991
Mold and process of molding faced concrete blocks
- - 1635093
Inventors:
Rasmussen, Arthur M.
Publication Date:
07/05/1949
View Patent Images:
Export Citation:
Assignee:
Laird, Warrington B.
Primary Class:
Other Classes:
249/148, 425/DIG.058
International Classes:
B28B7/00; B28B7/18; B28B7/16