Reed switch
CA 2364822 A1 · Owner: Kabushiki Kaisha T An T · Inventors: Okano, Hirofumi; Shimoyama, Keiji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the conventional fluid level detector the reed, switch is accommodated in the housing formed of an insulating material such as a resin or the like to prevent the reed switch from coming into direct contact with fluid and being electrically shorted. However since such a, construction requires the steps of storing and fixing the reed switch in the housing and leading out the lead therefrom, workability is low, the housing must be manufactured separately, and thus the cost increases. Accordingly a reed switch wherein at least the tubular bulb portion is molded with a hot-melt resin is provided.
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 December 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2023.
- 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.