Multi-helicoidal applicator brush
US8001980B2 · kind B2 · utility
2Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2006 |
| Grant date | Aug 23, 2011 |
| Priority date | — |
| Expiry date | Jan 30, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1053
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An applicator brush includes a stem, and a plurality of bristles supported by the stem. The stem extends from an end of a rod and includes a first branch and a second branch twisted together, each branch having a non-circular cross-section The bristles are positioned between the twisted first and second branches. In some embodiments, each branch includes a plurality of strands pre-twisted together to create the non-circular cross-section of each branch, forming a multi-helicoidal stem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.