Energy saving lamp
USD638148S1 · kind S1 · design
0Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2007 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | May 17, 2025 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.