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Browse by Category: Main > Household
Class Information
Number: 5/271
Name: Beds > Bedsteads > Having bottom > Of springs > Elements > Top connections > Extended coils
Description: Devices formed by interlacing the top coils of adjacent springs or by giving the top coil an extension which engages a coil of an adjacent spring.










Patents under this class:

Patent Number Title Of Patent Date Issued
7578016 One-sided innerspring assembly Aug. 25, 2009
5584083 Mattress spring core Dec. 17, 1996
5184809 Spring assembly for seating and bedding Feb. 9, 1993
4790038 Bedding spring assembly Dec. 13, 1988
4609186 Mattress spring core with open ended coils Sep. 2, 1986
4358097 Spring assembly Nov. 9, 1982











 
 
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