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3429767
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Patent Grant
3429767
References
Source
Patent Number
3,429,767
Date Filed
Not available
Date Issued
Tuesday, February 25, 1969
55 years ago
CPC
A47C27/0453 - Attachment of spring inlays to outer layers
B68G9/00 - Placing upholstery springs in pockets Fitting springs in upholstery
Y10T156/1052 - with cutting, punching, tearing or severing
Y10T156/1095 - Opposed laminae are running length webs
Y10T428/24132 - including grain, strips, or filamentary elements in different layers or components parallel
Y10T428/24174 - including sheet or component perpendicular to plane of web or sheet
Y10T428/24744 - Longitudinal or transverse tubular cavity or cell
Y10T428/24826 - Spot bonds connect components
Y10T428/2817 - Heat sealable
Y10T428/2925 - Helical or coiled
US Classifications
156 - Adhesive bonding and miscellaneous chemical manufacture
428 - Stock material or miscellaneous articles
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