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Patent Searching and Data


Title:
UNDERWATER OBSERVATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/057156
Kind Code:
A1
Abstract:
An underwater observation device comprises an observation assembly (100) and an adjustment assembly (200). The observation assembly (100) is engaged with the adjustment assembly (200). The observation assembly (100) comprises a foldable silicone sleeve (101), a submerging end (102) and an observation end (103). The foldable silicone sleeve (101) is installed at a bottom portion of the observation end (103). A bottom portion of the foldable silicone sleeve (101) is connected to a top portion of the submerging end (102). The underwater observation device permits clear underwater observation with the naked eye.

Inventors:
CHEN KAN (CN)
Application Number:
PCT/CN2020/099969
Publication Date:
April 01, 2021
Filing Date:
July 02, 2020
Export Citation:
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Assignee:
CHEN KAN (CN)
International Classes:
G02B23/22
Foreign References:
CN210707834U2020-06-09
CN110525617A2019-12-03
CN2342382Y1999-10-06
CN206178254U2017-05-17
US3619042A1971-11-09
FR2676553A11992-11-20
US4643523A1987-02-17
Attorney, Agent or Firm:
CHENGDU DINGFENG PATENT AGENCY (GENERAL PARTNER) (CN)
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