- All sections
- B - Performing operationstransporting
- B42D - Booksbook coversloose leavesprinted matter characterised by identification or security featuresprinted matter of special format or style not otherwise provided fordevices for use therewith and not otherwise provided formovable-strip writing or reading apparatus
- B42D 3/14 - Book covers combined with other articles with column markers or line or heading indicators
Patent holdings for IPC class B42D 3/14
Total number of patents in this class: 5
10-year publication summary
|
0
|
2
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Mfg.Co.,Ltd. | 25 |
2 |
| Gradco (Japan) Ltd. | 17 |
1 |
| Shenzhen Royole Technologies Co., Ltd. | 1342 |
1 |
| EIP | 2 |
1 |
| Other owners | 0 |