Hand-held device, in particular a writing instrument, having two retractable heads
US-10766297-B2 · Sep 8, 2020 · US
selection by gravity with a pendulum or the like · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B43K24/166 |
| Official title | {selection by gravity with a pendulum or the like} |
| Display label | selection by gravity with a pendulum or the like |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10766297-B2 · Sep 8, 2020 · US
US-2019322121-A1 · Oct 24, 2019 · US
US-9994066-B2 · Jun 12, 2018 · US
US-2015033499-A1 · Feb 5, 2015 · US