H04M 2203/20

Related to features of supplementary services

Official title: related to features of supplementary services

H04M2203/20 (Related to features of supplementary services) appears on 3,829 US grants and 3,777 published applications in this corpus.

Search patents in H04M
Granted patents
3,829
Published applications
3,777
Assignees
1,056
Inventors
6,716
Latest grant
15 Sep 2026

Filings by year

H04M 2203/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198320
198400
198510
198630
198710
198870
198940
199080
199130
199230
199370
1994110
1995140
1996180
1997220
1998310
1999520
2000630
20017232
200273158
200391157
2004116177
200596194
2006137197
2007121270
2008107215
2009102212
2010141210
2011174162
2012223141
2013253165
2014264175
2015197152
2016178172
2017220148
2018185147
2019169104
2020148125
2021114102
202299101
2023127117
20247566
20256249
20263429

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

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