Flame resistant optical communications cable
CA 1280304 C · Owner: Ivanfy, Bartholomeus · Inventors: Ivanfy, Bartholomeus; Parmar, Daljit S.; Haag, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flame-resistant optical communications cable is provided which, in the case of fire, is extremely resistant and does not give off any noticeable corrosive gases in such case. In one embodiment the fiber sheath and the mounting and/or stress relief reinforcements are made of halogen-free materials which do not drip in the case of fire and have flexible characteristics. In another embodiment the outer, cable sheath is made of such a material.
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 February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 2008.
- 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.