Expired Canadian patentCanada
Heat-shrinkable sleeve with uniform heating control means and fabrication process of that sleeve
CA 1307378 C · Owner: Treficable Pirelli · Inventors: Bataille, Claude
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordRead the whole patent
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
- Granted September 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 2009.
- 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 9, 1987
GrantedSeptember 15, 1992
Term endedSeptember 15, 2009
Patent numberCA 1307378 C
Classification (IPC)B29C61/06 +2 more
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.