H04M 1/64

Automatic arrangements for answering calls

Official title: Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations (centralised dictation systems H04M11/10)

H04M1/64 (Automatic arrangements for answering calls) appears on 2,211 US grants and 1,440 published applications in this corpus.

Search patents in H04M
Granted patents
2,211
Published applications
1,440
Assignees
686
Inventors
3,416
Latest grant
29 Sep 2026

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H04M 1/64: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976240
1977150
1978180
197970
1980180
198150
1982100
1983120
1984170
1985180
1986250
1987210
1988220
1989500
1990260
1991250
1992280
1993240
1994270
1995440
1996660
1997600
1998900
1999820
2000650
20017546
20027199
20036481
20047092
20054969
20066172
20075569
20083377
20093187
20104162
20115158
20128659
201310465
201410384
20158578
20168357
20176857
20185449
20195836
20204332
20213226
20221820
20232925
20242119
20251412
2026139

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

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