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Canadian application, no grantCanada

Helmet windshield with sunshade device

CA 2291550 A1 · Owner: Kin Yong Lung Industrial Co. Ltd. · Inventors: Kuo, Chao-Yen

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A helmet windshield is provided with sunshade device on the top. The sunshade device includes a supporting slice a pushing block, a slider, a pivotal block and a sunshade slice. The protrusive member of the pushing block is inserted in the opening in the center of the supporting slice and then attached to by the slider. The left and right sides of the slider are inlaid in the sliding groove provided in the inner surface of the supporting slice and surrounding the opening so that the slider can slide upward and downward in the sliding groove. The ~-shape protrusion of the pivotal block is inserted through the ~-shape hole of the supporting slice, and the post of the slider is inserted in the …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 3, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 3, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 3, 1999
GrantedNo grant recorded
Term endedDecember 3, 2019
Patent numberCA 2291550 A1
Classification (IPC)A42B3/22

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedDec 3, 1999Term endedDec 3, 2019

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.