Toothbrush comprising a resilient flex region
US6178582A · kind A · utility
91Cited by
50References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 26, 1998 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | May 26, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/425
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A toothbrush in which the head comprises a base region adjoining the handle, and a tip region, the tip region being flexibly and resiliently linked at a link region to the base region in a manner which enables the tip region to fold or pivot resiliently relative to the base during toothbrushing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.