Method of making a closed cavity comprising a flap protecting the cavity when it is closed
US10414648B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Dec 20, 2016 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Dec 20, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB81B2203/0315
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
Method for making a cavity, comprising steps to:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.