Low voltage composite mold
CA 2527768 C · Owner: Abb Technology Ag · Inventors: Munsey, James G.; Sarver, Charlie; Puckett, Ray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transformer coil is produced by forming a sheet of composite material over a plurality of annular shaped support plates to form an inner layer. A coil is wound around the inner layer. An outer layer is formed by wrapping a sheet of composite material over the coil. The outer layer is mechanically attached to the coil. A base is attached to the coil assembly and epoxy is used to encapsulate the coil. The epoxy forms a bond with the inner and outer layers which become an integral part of the transformer coil.
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 June 10, 2004 and granted October 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 10, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2026.
- 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.