Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator · 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 codeH04M3/60
Official titleSemi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
Display labelSemi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
Total patents31

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20174
20184
20193
20209
20214
20221
20232
20243
20251

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 H04M3/60?
CPC H04M3/60 is the Cooperative Patent Classification code for “Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator.”
How many patents are filed under CPC H04M3/60 (Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator)?
Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC H04M3/60 growing?
Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).