- All sections
- A - Human necessities
- A43B - Characteristic features of footwearparts of footwear
- A43B 21/40 - HeelsTop-pieces or top-lifts characterised by their attachmentSecuring devices for the attaching means by rib and groove by dovetail
Patent holdings for IPC class A43B 21/40
Total number of patents in this class: 5
10-year publication summary
|
1
|
0
|
2
|
1
|
1
|
0
|
2
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Flexheel GmbH | 4 |
2 |
| FDC The Fit | 2 |
1 |
| Femmes Tout Terrain | 1 |
1 |
| Alalipholding, LLC | 1 |
1 |
| Other owners | 0 |