- All sections
- G - Physics
- G09D - Railway or like time or fare tablesperpetual calendars
- G09D 3/00 - Perpetual calendars
Patent holdings for IPC class G09D 3/00
Total number of patents in this class: 8
10-year publication summary
|
4
|
1
|
1
|
1
|
2
|
1
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tina Faith Orr | 2 |
2 |
| Mars, Incorporated | 2899 |
1 |
| Microsoft Technology Licensing, LLC | 54719 |
1 |
| Press Products (Proprietary) | 1 |
1 |
| Holdham | 268 |
1 |
| Lovevery, Inc. | 305 |
1 |
| Bianhua Connects LLC | 2 |
1 |
| Other owners | 0 |