A47B 57/36

Consisting of side walls of the ladder type

Official title: consisting of side walls of the ladder type

A47B57/36 (Consisting of side walls of the ladder type) appears on 56 US grants and 43 published applications in this corpus.

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Granted patents
56
Published applications
43
Assignees
34
Inventors
97
Latest grant
21 Apr 2026

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A47B 57/36: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198200
198300
198400
198500
198610
198700
198810
198900
199000
199130
199210
199300
199410
199500
199610
199700
199800
199900
200000
200100
200200
200300
200400
200502
200600
200700
200802
200900
201010
201111
201201
201314
201441
201512
201640
201744
201814
201973
202014
202163
202235
202330
202441
202555
202611

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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