B63B 2231/74
Bituminous materials or the like
B63B2231/74 (Bituminous materials or the like) appears on 0 US grants and 2 published applications in this corpus.
Search patents in B63B- Granted patents
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- Published applications
- 2
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- 1
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| Year | Granted patents | Published applications |
|---|---|---|
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| 2005 | 0 | 0 |
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| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
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