- All sections
- A - Human necessities
- A42C - Manufacturing or trimming head coverings, e.g. hats
- A42C 3/00 - Appliances for hat-making not provided for in group , e.g. for making wire forms for hat-framesApparatus for changing the form or size of finished hats
Patent holdings for IPC class A42C 3/00
Total number of patents in this class: 4
10-year publication summary
|
0
|
2
|
0
|
1
|
0
|
0
|
1
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Qianfeng Capart Int'l Corp. | 15 |
1 |
| University of Wollongong | 94 |
1 |
| Yupoong, Inc. | 140 |
1 |
| StayBack Fitting Systems Inc. | 1 |
1 |
| Other owners | 0 |