A47B 57/40

Consisting of hooks coacting with openings

Official title: consisting of hooks coacting with openings (ladder type A47B57/36)

A47B57/40 (Consisting of hooks coacting with openings) appears on 528 US grants and 381 published applications in this corpus.

Search patents in A47B
Granted patents
528
Published applications
381
Assignees
308
Inventors
822
Latest grant
8 Sep 2026

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A47B 57/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
1977130
197840
1979100
198080
198140
198280
198340
198430
198570
198670
198790
198860
198990
199050
199150
199240
199380
199440
1995120
199650
199750
199890
1999120
2000170
2001140
200284
200364
2004614
200578
200654
2007313
200849
200949
201065
201137
2012410
2013312
20141013
20152120
20161811
20171422
20182633
20193121
20202228
20211923
20221827
20233130
20241822
20253120
20261312

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

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Granted patents