H04M 1/652

Means for playing back the recorded messages by remote control over a

Official title: Means for playing back the recorded messages by remote control over a telephone line (H04M1/658 takes precedence)

H04M1/652 (Means for playing back the recorded messages by remote control over a) appears on 245 US grants and 59 published applications in this corpus.

Search patents in H04M
Granted patents
245
Published applications
59
Assignees
95
Inventors
253
Latest grant
24 Jun 2025

Filings by year

H04M 1/652: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197760
197830
197920
1980110
198130
198220
198340
198450
198570
198690
198780
198860
1989130
199070
199120
199220
199330
199440
199560
199690
1997100
1998160
199980
2000110
2001114
20021011
200348
200478
200571
200643
200752
200822
200942
201012
201131
201210
201350
201422
201532
201644
201711
201821
201912
202010
202100
202201
202332
202400
202510

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents