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Class Information
Number: 5/220
Name: Beds > Bedsteads > Having bottom > Fabricated elastic flats > Tighteners > Screw
Description: Devices comprising screw devices on the fabric frames to increase the tension on the fabric.

Sub-classes under this class:

Class Number Class Name Patents
5/221 Attachable 0
5/222 Extensible rods or trusses 0
5/223 Individual element 1
5/225.1 Sliding end rail 0
5/224 Sliding riser 0

Patents under this class:

Patent Number Title Of Patent Date Issued
6584627 Webbed frame for furniture Jul. 1, 2003
4730356 Bed having adjustable tension control Mar. 15, 1988

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