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Expired Canadian patentCanada

Joining method and related junction for electric cables, tubular covering sleeve for electric-cable junctions and process for manufacturing the same

CA 2633300 C · Owner: Portas, Francesco · Inventors: Portas, Francesco; Vallauri, Ubaldo

CIPO record

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Abstract From the Canadian patent

A tubular covering sleeve (9) is manufactured which comprises a primary tubular body (10) externally coated with a sheath (14) formed of a layer of semiconductive material (15) coupled with an elastomer layer (16). The sheath (14) is made separately of the primary body and subsequently coupled therewith before or , after coupling of the primary body itself on a splicing region between two electric cables (2a 2b). The sleeve one of the cables , before electrically connecting the conductors (3a 3b). Then , a radial shrinkage of the sleeve (9) on the cables (2a 2b) is caused at the , splicing region. To carry out a sectionalisation (18) one end , portion of the sheath and of 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 28, 2005 and granted December 16, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 28, 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.
FiledDecember 28, 2005
GrantedDecember 16, 2014
Term endedDecember 28, 2025
Patent numberCA 2633300 C
Classification (IPC)H02G15/18 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 28, 2005Patent grantedDec 16, 2014Term endedDec 28, 2025

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