Light bulb filament
USD1089724S1 · kind S1 · design
0Cited by
14References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 28, 2022 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Aug 19, 2040 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.