Expired Canadian patentCanada
Mineral insulated electric cables
CA 1189159 A · Owner: Associated Electrical Industries Limited · Inventors: Gill, Dennis
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a mineral insulated electric cable there is dispersed within the powdered magnesium oxide insulating material a proportion of methyl polysiloxane sufficient to reduce moisture penetration.
Read 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 June 18, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 24, 1982
GrantedJune 18, 1985
Term endedJune 18, 2002
Patent numberCA 1189159 A
Classification (IPC)H01B3/00 +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.