Dynamic ring classifier for a coal pulverizer
USD575807S1 · kind S1 · design
3Cited by
24References
1Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 2, 2007 |
| Grant date | Aug 26, 2008 |
| Priority date | — |
| Expiry date | Aug 26, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.