Valve port geometry in reciprocating compressors
USD890216S1 · kind S1 · design
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Key dates
| Filing date | Jul 17, 2017 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Jul 14, 2035 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.