Toothbrush with rectangular bristles
US5396678A · kind A · utility
117Cited by
17References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1992 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | Nov 2, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a toothbrush which exhibits improved tooth and gum cleaning. The toothbrush includes an elongated handle member connected to a toothbrush head member. A multiplicity of bristles extend from the head member; these bristles being comprised of at least two general directional orientations of bristles having a generally rectangular cross-section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.