Title:
Interlocking wallboard
United States Patent 3274743
Inventors:
Blum Jr., Joseph Louis
Publication Date:
09/27/1966
Export Citation:
Click for automatic bibliography generation
Assignee:
Blum Jr., Joseph Louis
Primary Class:
52/284
Other Classes:
52/259, 52/366, 52/417, 52/448, 52/506.05, 52/539, 52/592.1
International Classes:
E04F13/14; E04F13/14
View Patent Images:
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US Patent References:
2305247Wallboard joint and method of joining wallboards
2276071Panel construction
2107240Construction unit
2068098Fastening panels that shrink
1942946Composition board
1582721Precast plaster-wall section
1534142Keyed insulating board
Foreign References:
FR1123293A