Marking instrument and cosmetic pencil
US6935800B2 · kind B2 · utility
5Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 2002 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | May 27, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D40/20
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The subject articles include a housing including a cellulose ester (for example propionic acid esters and mixed esters), optionally encasing a marking mass, such as a cosmetic mass, and methods for making the same, such as by molding such as injection molding, extruding, and fabricating (e.g., by turning and drilling).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.