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Class Information
Number: 5/199
Name: Beds > Bedsteads > Having bottom > Fabricated elastic flats > Binding and fastening > Marginal spring connections and limiting springs
Description: Devices having horizontally arranged springs on the edge of a fabric bottom for giving marginal supporting tension and special limiting springs for such use provided with stop or limiting means.

Patents under this class:

Patent Number Title Of Patent Date Issued
5678261 Cushion device Oct. 21, 1997
4452444 Rebound exerciser Jun. 5, 1984
3983585 Concealed spring anchoring means for trampolines and method of producing same Oct. 5, 1976

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