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Patent Searching and Data


Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2020/191568
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 surface and a longitudinal axis. A plurality of bristles mounted on the head (105). The plurality of bristles are arranged in a plurality of sets comprising first (121), second (123), and third sets (125). The bristles in the first (121) and third sets (125) are oriented to angle outwardly from the bristles in the second set (123). The bristles of the first (121) and third sets (125) are arranged along the surface of the head (105) such that the first (121) and third sets (125) each have a length extending along the longitudinal axis of the head (105). The length of the first (121) and third sets (125) extends along at least about 70% of the length of the surface. The bristles in the first (121) and third sets (125) are arranged in tufts comprised of multiple bristles and all having the same configuration.

Inventors:
TO CHUN YUEN (CN)
Application Number:
PCT/CN2019/079436
Publication Date:
October 01, 2020
Filing Date:
March 25, 2019
Export Citation:
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Assignee:
WORLD WIDE DAILY HOLDINGS CO LTD (CN)
International Classes:
A46B9/04
Foreign References:
CN1058524A1992-02-12
US4010509A1977-03-08
CN202269590U2012-06-13
CN201624281U2010-11-10
CN205250699U2016-05-25
EP1607021A12005-12-21
DE4317983A11994-12-01
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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