Writing instrument comprising two concentric writing tips
US-11124013-B2 · Sep 21, 2021 · US
Tubular writing-points · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B43K1/06 |
| Official title | Tubular writing-points |
| Display label | Tubular writing-points |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2020 | 1 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11124013-B2 · Sep 21, 2021 · US
US-2020282762-A1 · Sep 10, 2020 · US
US-2017373283-A1 · Dec 28, 2017 · US
US-9566818-B2 · Feb 14, 2017 · US
US-2015367672-A1 · Dec 24, 2015 · US