Variable pitch mascara brush
US9232851B2 · kind B2 · utility
18Cited by
15References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 15, 2009 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | May 15, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/106
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A brush for applying mascara or the like, comprising an elongated core and a plurality of coating surfaces axially spaced along the elongated core, distributed around the core over a substantial portion of the length of the core extending from the distal end thereof. The coating surfaces are arranged in a plurality of rows forming turns of at least one helix extending lengthwise of the core and spaced laterally around the core periphery. The axial distance between consecutive rows of coating surfaces varies longitudinally along the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.