Leak containment kit
CA 1215269 A · Owner: E. I. Du Pont De Nemours And Company · Inventors: Fletcher, George P.; Henry, Harvey J.; Brittingham, Donald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A leak containment kit for tank cars is disclosed. The kit is bolted to the manway cover of the tank car and surrounds all of the valves mounted on the manway cover. The kit provides means to connect each of the valves on the manway cover with a valve mounted on the external of the main body of the leak containment kit.
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 December 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 2003.
- 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.