Method and apparatus for manufacturing watermarked paper
US10428457B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Nov 12, 2015 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Feb 16, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing watermarked paper, comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.