Padmounted distribution transformer tank
CA 2281075 C · Owner: Asea Brown Boveri Inc. · Inventors: Ghafourian, Ali A.; Adkins, Herb
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A padmounted distribution transformer tank and method of constructing the same is disclosed wherein hem-bend flanges are constructed on the upper edges of the front, terminal panel to act as a heat shield to protect the painted surface during the welding, operation on the cover. Hem-bend flanges are also utilized on the sidewalk of the tank to, improve the structural strength of the tank flange.
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 August 24, 1999 and granted April 1, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 24, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 24, 2021.
- 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.