Spring unit
United States Patent 3242505
US Patent References:
Spring construction for mattresses and the like
- - 2383157
Spring assembly for upholstery
- - 2473706
Bedspring
- - 2589053
Mattress structure
- - 2853721
Multiple coil spring assembly
- - 3079615
Spring construction for mattresses and the like
- - 2383157
Spring assembly for upholstery
- - 2473706
Bedspring
- - 2589053
Mattress structure
- - 2853721
Multiple coil spring assembly
- - 3079615
Inventors:
Stephen, Tyhanic
Publication Date:
03/29/1966
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Export Citation:
Assignee:
SERTA ASSOCIATES INC
Primary Class:
Other Classes:
5/260, 5/721, 5/267
International Classes:
A47C27/06; A47C27/04
Foreign References:
| GB202675A |