- All sections
- B - Performing operationstransporting
- B42F - Sheets temporarily attached togetherfiling appliancesfile cardsindexing
- B42F 21/08 - Tabs detachably mounted on sheets, papers, cards, or suspension files in one of a number of predetermined positions
Patent holdings for IPC class B42F 21/08
Total number of patents in this class: 3
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACCO Brands Corporation | 810 |
1 |
| Avery Dennison Corporation | 1167 |
1 |
| Esselte Leitz GmbH & Co KG | 15 |
1 |
| Other owners | 0 |