Coaxial fuse and protector
CA 2284355 A1 · Owner: Napiorkowski, John J. · Inventors: Napiorkowski, John J.; Bone, Jon E.; Wilken, Josh M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A protective device for excess current utilizes a fuse that incorporates a printed circuit, board. The printed circuit board has a trace on one side which is of a desired width, length, and, thickness of material for opening if excess current for a selected duration of time is reached. The, printed circuit board is mounted in an insulated housing. The lower side of the substrate may, also have a conductive layer connected to the housing or ground. The printed circuit board and, overvoltage protector may be tailored for impedance matching. An excess voltage protector may, be incorporated with the printed circuit board for conducting to ground if excessive voltage is, encountered. The …
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 September 29, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 29, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 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.