Toothbrush
US4617695A · kind A · utility
23Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1985 |
| Grant date | Oct 21, 1986 |
| Priority date | — |
| Expiry date | Feb 7, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush having a brush handle and brush head is provided with a plurality of openings in the brush head for receiving therein bundles of bristles. Each of the plurality of openings is in the shape of a hexagon having parallel elongated sides and rounded opposing ends. The plurality of hexagonal openings are also of a substantially uniform depth to evenly receive the bristle bundles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.