- All sections
- B - Performing operations; transporting
- B43K - Implements for writing or drawing
- B43K 19/06 - Pencils with metallic writing-core the writing-core being made from substance wearing off during use
Patent holdings for IPC class B43K 19/06
Total number of patents in this class: 0
10-year publication summary
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
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Other owners | 0 |