Metal film resistors
CA 1291885 C · Owner: Vugts, Ludovicus · Inventors: Vugts, Ludovicus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Metal film resistors. A metal film resistor consisting of an Ni-Al alloy with an Al content of at least 14.5 and at most 22 % by weight with a maximum of 2.5 % by weight of compatible contaminations. They can be used in the resistance range between 0.5 Ohm and 5 kOhm are very stable and can be, obtained with a low temperature coefficient of the resistance between ? 50 ppm/°C.
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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 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.