Tube for covering connection of electric wires
CA 2128470 A1 · Owner: Tanaka, Kiyotaka · Inventors: Tanaka, Kiyotaka; Nakamura, Tsunehisa; Kitamura, Osamu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
OBJECT, To provide a tube for covering a connection of electric wires, which can be quickly fitted to the connection without using any heat source and can provide reliable moisture resistant, electrically insulating, and mechanically protecting properties. STRUCTURE A covering tube 10 has a tubular sleeve section 12 made of a flexible electro-insulating material and, electro-insulating tubular sealing sections 14 provided at the ends of the sleeve section 12. The sealing sections 14 include elastically shrinkable elements 16 formed integrally with the sleeve section 12 and core, elements 18 arranged within the shrinkable elements 16 so as to hold the shrinkable elements 16 in an expanded …
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
- Filed July 20, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 20, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 20, 2016.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.