Writing instrument
US-12397579-B2 · Aug 26, 2025 · US
detachably secured to the writing tool · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B43K25/024 |
| Official title | {detachably secured to the writing tool} |
| Display label | detachably secured to the writing tool |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12397579-B2 · Aug 26, 2025 · US
US-2025065665-A1 · Feb 27, 2025 · US
US-11964509-B2 · Apr 23, 2024 · US
US-2022126623-A1 · Apr 28, 2022 · US
US-9662927-B2 · May 30, 2017 · US