H04M 2250/68

Details of telephonic subscriber devices: with means for recording information

Official title: with means for recording information, e.g. telephone number during a conversation

H04M2250/68 (Details of telephonic subscriber devices: with means for recording information) appears on 97 US grants and 108 published applications in this corpus.

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Granted patents
97
Published applications
108
Assignees
63
Inventors
230
Latest grant
13 May 2025

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H04M 2250/68: granted patents and published applications per publication year
YearGranted patentsPublished applications
199510
199600
199710
199810
199930
200020
200120
200231
200304
200412
200516
200654
200734
200847
200916
201024
201156
201232
2013612
201486
201521
201642
2017611
201867
201975
202094
202135
202230
202324
202421
202512
202602

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

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