Multicolor writing and designing means
US9296249B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Jan 10, 2013 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | May 30, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K27/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A multicolor writing and designing device has an elongated pastel color capsule with a plurality of longitudinal segment groups disposed substantially in parallel with a main capsule axis, at least one segment of a group being located within the capsule such that it forms a capsule tip. At least two of the segment groups are of different tints from the same color sampling zone in a color space colorimetric triangle. having a plurality of such sampling zones. The color sampling zones may correspond to areas in the CIE 1964 10° Standard Observer color space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.