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Expired Canadian patentCanada

Hairdressing scissors for cutting small amount of hair or special style

CA 2314020 C · Owner: Yeh, Wen-Ya · Inventors: Yeh, Wen-Ya

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 pair of hairdressing scissors comprises first and second scissor elements (1a and 1b;, 2a and 2b) pivotally connected together each scissor element (1a, 1b; 2a; 2b) including a, blade portion (16, 18; 26 28). The blade portion (18; 28) of the second scissor element (1b; 2b), has a cutting edge (18a; 28a). The blade portion (16; 26) of the first scissor element (1a; 2a), includes a plurality of teeth (12; 22) that are spaced by an interval (14; 24). Each tooth (12; 22), on the second scissor element (1a; 2a) includes a distal end (12a; 22a) having a first side (12b;, 22b) that faces the cutting edge (18a; 28a) of the first scissor element (1b; 2b) and a second, side (12c; 22c) that …

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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 July 13, 2000 and granted December 2, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 13, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 13, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 13, 2000
GrantedDecember 2, 2003
Term endedJuly 13, 2020
Patent numberCA 2314020 C
Classification (IPC)B26B13/08 +1 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJuly 13, 2000Patent grantedDec 2, 2003Term endedJuly 13, 2020

Sources & verification

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