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2985230
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Information
Patent Grant
2985230
References
Source
Patent Number
2,985,230
Date Filed
Not available
Date Issued
Tuesday, May 23, 1961
63 years ago
CPC
A47C7/20 - with reinforcement in the foam layer
A47C7/34 - with springs in compression
A47C23/0431 - supporting a flat board or strip
A47C27/0453 - Attachment of spring inlays to outer layers
A47C27/0456 - Use of stiffening sheets, lattices or grids in, on, or under, spring inlays
A47C27/05 - with padding material
A47C27/053 - with only one layer of foamed material
B29C44/1209 - by impregnating a preformed part
Y10S297/03 - Pneumatic
Y10T442/15 - Including a foam layer
Y10T442/3325 - Including a foamed layer or component
US Classifications
267 - Spring devices
005 - Beds
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