B43K 19/04
Pencils with metallic writing-core
B43K19/04 (Pencils with metallic writing-core) appears on 3 US grants and 4 published applications in this corpus.
Search patents in B43K- Granted patents
- 3
- Published applications
- 4
- Assignees
- 6
- Inventors
- 9
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Multi-tool marking device24 Oct 2024US 2024/0351362 A1
- Active stylus having physical writing function21 Mar 2024US 2024/0094834 A1Dexin Corporation
- Writing instrument and related production method23 Aug 2018US 2018/0237652 A1Signature S.R.L.
- Active pencil and transmitter16 Mar 2017US 2017/0075439 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.