Patents-Review.com
ClassID:

9921 ⎘

A47C23/0438 - CPC Classification

Classification description:

Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled using wound springs of special shape

Recent Application in this class:
#1
20250261766
2025-08-21

SPRING MODULE AND SPRING CUSHION FOR FURNITURE

 #2
20250169614
2025-05-29

SPRING MODULE AND SPRING CUSHION FOR FURNITURE

 #3
20250151919
2025-05-15

ELASTIC CUSHION AND PIECE OF FURNITURE PROVIDED WITH SAME

 #4
20250143478
2025-05-08

ELASTIC MODULE AND ELASTIC MATTRESS FOR FURNITURE

 #5
20250134271
2025-05-01

SPRING MODULE AND SPRING CUSHION FOR FURNITURE

 #6
20240423382
2024-12-26

ELASTIC MODULE AND ELASTIC MATTRESS

 #7
20240398128
2024-12-05

SPRING MODULE AND SPRING CUSHION FOR FURNITURE

 #8
20240225300
2024-07-11

SPRING MODULE AND SPRING CUSHION FOR FURNITURE

 #9
20240138580
2024-05-02

SPRING MODULE AND SPRING CUSHION FOR FURNITURE

 #10
20240130537
2024-04-25

Spring module and spring cushion for furniture

 #11
20240122364
2024-04-18

Spring module and spring cushion for furniture

 #12
20230248156
2023-08-10

Spring module and spring cushion for furniture

 #13
20220232992
2022-07-28

HIGH TENSION COIL SPRING STRUCTURE FOR BED MATTRESS HAVING MEANS FOR PREVENTING FRICTION NOISE

 #14
20220007847
2022-01-13

HIGH TENSION COIL SPRING STRUCTURE FOR BED MATTRESS HAVING MEANS FOR PREVENTING FRICTION NOISE

 #15
20210037988
2021-02-11

Furniture construction with elastic or spring modules

 #16
20200237107
2020-07-30

HIGH TENSION COIL SPRING STRUCTURE FOR BED MATTRESS HAVING MEANS FOR PREVENTING FRICTION NOISE

 #17
20190365114
2019-12-05

Machine and method for assembling a bedding foundation

 #18
20190239654
2019-08-08

BAG-LINED SPRING CORE WITH MONOLITHIC PERIMETER, AND REINFORCED AND STABILIZED EDGES

 #19
20190142178
2019-05-16

Cushions including flat springs

 #20
20190090652
2019-03-28

Furniture construction with elastic or spring modules

 #21
20180325273
2018-11-15

Element of adjustable stiffness for beds or seats

 #22
20180199728
2018-07-19

Furniture construction with elastic or spring modules

 #23
20170347808
2017-12-07

Arrangement with a plurality of spring elements for a cushion support

 #24
20170172309
2017-06-22

High Tension Coil Spring Structure for Bed Mattress having Means for Preventing Friction Noise

 #25
20160120330
2016-05-05

Cushions including flat springs

 #26
20150226278
2015-08-13

Wooden spring and mattress manufactured with wooden springs

 #27
20150196130
2015-07-16

Bedding foundation having nestably stackable spring assembly having reduced sway

 #28
20150091229
2015-04-02

Microalloyed spring

 #29
20150084250
2015-03-26

High Tension Coil Spring Structure for Bed Mattress Having Means for Preventing Friction Noise

 #30
20140250602
2014-09-11

Hybrid spring

 #31
20140191454
2014-07-10

Telescoping spring assembly for mattresses and the like

 #32
20130270755
2013-10-17

Microalloyed spring

 #33
20130069291
2013-03-21

Telescoping spring assembly for mattresses and the like

 #34
20130031726
2013-02-07

ENCASED HOURGLASS COILS AND MATTRESS CORES

 #35
20120186027
2012-07-26

Multi-stranded coil spring

 #36
20120186026
2012-07-26

Reverse coil head coils and innersprings

 #37
20120091644
2012-04-19

POCKET SPRING STRUCTURE FOR BED MATTRESS

 #38
20110148018
2011-06-23

ASYMMETRICAL COMBINED CYLINDRICAL AND CONICAL SPRINGS

 #39
20090261518
2009-10-22

Microalloyed spring

 #40
20090106908
2009-04-30

Asymmetrical combined cylindrical and conical springs

 #41
20070180614
2007-08-09

Bedding foundation support module

 #42
20070118987
2007-05-31

Multi-stranded coil spring

 #43
20050005354
2005-01-13

Multi-stranded coil spring