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Expired Canadian patentCanada

System for transplantation of dermal tissue

CA 2540526 C · Owner: Girouard, Michael · Inventors: Eriksson, Elof; Kagan, Jonathan; Johnson, Royce

CIPO record

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

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Abstract From the Canadian patent

A dermal tissue transplantation system combining a tissue particle harvester (20), a tissue particle collector (30) and a nano-graft cell (40). The system provides a harvester capable of harvesting tissue from a donor site on the order of about 100 microns. The integrated tissue particle collector (10) provides a means for collecting the harvested tissue for in situ cultivation in a chambered dressing at the wound site.

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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 September 28, 2004 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 28, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 28, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 28, 2004
GrantedNovember 27, 2012
Term endedSeptember 28, 2024
Patent numberCA 2540526 C
Classification (IPC)A61B17/32

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedSep 28, 2004Patent grantedNov 27, 2012Term endedSep 28, 2024

Sources & verification

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