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Expired Canadian patentCanada

Compacting machine with reduced friction

CA 2583213 C · Owner: Rota, Guido · Inventors: Rota, Guido

CIPO record

Overview

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

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Abstract From the Canadian patent

Compacting machine comprising a compaction chamber (1) connected to introduction means (11) arranged to forcedly introduce a predetermined quantity of material to be compacted into the compaction chamber (1) by conferring on said material a substantially rotary movement said compaction , chamber (1) comprising at least one plate (2) made to rotate about an axis perpendicular to the plate (2) and arranged to at least partly close said compaction chamber (1) to laterally.

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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 January 14, 2005 and granted November 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 14, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 14, 2005
GrantedNovember 20, 2012
Term endedJanuary 14, 2025
Patent numberCA 2583213 C
Classification (IPC)B30B9/30 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJan 14, 2005Patent grantedNov 20, 2012Term endedJan 14, 2025

Sources & verification

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