Switchable load coil case
CA 2312115 A1 · Owner: Washburn, Ronald · Inventors: Harwood, Walter T.; Leon, Eduardo; Evans, Steven D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A switchable load coil case is provided having a switch assembly connected to the load coil and incoming and outgoing wire pair. The switch assembly has an actuator movable between loaded and bypass positions wherein the switch assembly, connects the load coil in series with the incoming and outgoing wire pair when the, actuator is in the loaded position and connects the incoming and outgoing wire pair, while bypassing the load coil when the actuator is in the bypass position.
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 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 21, 2022.
- 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.