Selective cushioning apparatus for a railway car
USD897238S1 · kind S1 · design
0Cited by
7References
1Claims
0Family size
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Key dates
| Filing date | May 1, 2018 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Sep 29, 2035 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.