B61L 23/32
With provision for the blocking of passing sidings
Official title: with provision for the blocking of passing sidings
B61L23/32 (With provision for the blocking of passing sidings) appears on 1 US grants and 3 published applications in this corpus.
Search patents in B61L- Granted patents
- 1
- Published applications
- 3
- Assignees
- 3
- Inventors
- 17
- Latest grant
- 14 Apr 2015
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| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
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| 2022 | 0 | 1 |
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| 2025 | 0 | 1 |
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