Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2019/119344
Kind Code:
A1
Abstract:
A toothbrush (101) includes a handle (103) and a head (105) connected to an end of the handle (103). The head (105) has a convex surface (111). A plurality of bristles (107) are mounted on the head (105) so the bristles (107) extend from the convex surface (111) on only one side of the head (105). The plurality of bristles (107) are arranged in a plurality of sets including first, second, and third sets (121, 123, 125). The bristles (107) of each of the first, second, and third sets (121, 123, 125) are substantially parallel to other bristles (107) in the same respective set. The bristles (107) in the first and third sets (121, 125) are oriented to angle outwardly from the bristles (107) in the second set (123) as they extend away from the convex surface (111).
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Inventors:
TO CHUN YUEN (CN)
Application Number:
PCT/CN2017/117704
Publication Date:
June 27, 2019
Filing Date:
December 21, 2017
Export Citation:
Assignee:
WORLD WIDE DAILY HOLDINGS CO LTD (CN)
International Classes:
A46B9/04; A46B5/00; A46B9/02; A46B9/06
Domestic Patent References:
| WO2015042316A1 | 2015-03-26 | |||
| WO2011084116A1 | 2011-07-14 | |||
| WO2010069919A1 | 2010-06-24 | |||
| WO2014197292A1 | 2014-12-11 |
Foreign References:
| US20140033457A1 | 2014-02-06 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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