Polymer type ptc assembly
CA 1290465 C · Owner: Yagher, Charles, Jr. · Inventors: Yagher, Charles, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A PTC polymer assembly in which a sheet of PTC polymer is sandwiched between two electrodes, and electric terminations are mechanically and electrically connected to the electrodes at, least one of the terminations is a looped spring connected at one end to one of the electrodes and at another end to a mounting element, with a loop between the electrode and the mounting element to which it is mechanically connected.
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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 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.