Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling (at the subscriber's set H04M1/27; automatic redialling H04M3/424)

Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling (at the subscriber's set H04M1/27; automatic redialling H04M3/424) · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH04M3/44
Official titleAdditional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling (at the subscriber's set H04M1/27; automatic redialling H04M3/424)
Display labelAdditional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling (at the subscriber's set H04M1/27; automatic redialling H04M3/424)
Total patents111

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201526
201619
201718
201815
20197
20204
20213
20225
20236
20243
20255

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H04M3/44?
CPC H04M3/44 is the Cooperative Patent Classification code for “Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling (at the subscriber's set H04M1/27; automatic redialling H04M3/424).”
How many patents are filed under CPC H04M3/44 (Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling (at the subscriber's set H04M1/27; automatic redialling H04M3/424))?
Our database includes 111 publications tagged with this CPC code.
Is patent activity under CPC H04M3/44 growing?
Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).