Heat proof guard rail for industrial furnaces
USD586453S1 · kind S1 · design
6Cited by
22References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2006 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Feb 10, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.