- All sections
- A - Human necessities
- A45B - Walking sticksumbrellasladies' or like fans
- A45B 25/12 - Devices for holding umbrellas closed, e.g. magnetic devices
Patent holdings for IPC class A45B 25/12
Total number of patents in this class: 5
10-year publication summary
|
2
|
0
|
0
|
1
|
1
|
2
|
2
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chin-Hsing Cho | 2 |
2 |
| Marna Inc. | 26 |
1 |
| Total Terry, LLC | 1 |
1 |
| Knirps International GmbH | 50 |
1 |
| Other owners | 0 |