Method of producing suspended ceiling runners
United States Patent 3150440
US Patent References:
Pipe clip
- - 1787734
Method of forming frame members with metal veneer facing strips
- - 2041004
Structural steel member
- - 2191788
Suspended ceiling and clip therefor
- - 2996765
Tall-form construction for a coustical ceilings
- - 3023861
Pipe clip
- - 1787734
Method of forming frame members with metal veneer facing strips
- - 2041004
Structural steel member
- - 2191788
Suspended ceiling and clip therefor
- - 2996765
Tall-form construction for a coustical ceilings
- - 3023861
Inventors:
Jahn, Martin D.
Publication Date:
09/29/1964
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Export Citation:
Assignee:
CHICAGO METALLIC SASH COMPANY
Primary Class:
Other Classes:
29/430, 29/417, 29/416, 29/509
International Classes:
E04B9/08; E04B9/10; E04B9/06
US Patent References:
| 3096862 | Ceiling suspension system with double locking clip |