Suspension cord pull switch
CA 2409147 A1 · Owner: Wei, Jung Tsung · Inventors: Wei, Jung Tsung
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An innovated suspension cord pull switch having a capacitive induction , device serving as a touch control with capacitive induction effect; at one end of the suspension pull cord is a touch nit, inside the touch unit is suspended a contact unit. Either one of the touch unit or the contact unit is grounded. Even when an insulator, touches the suspension pull cord or the touch unit the contact unit and the , touch unit, are brought into contact with each other achieving the effect of touch , control. Instead of conventional pulling operation, grasping operation restricted direction of , operation, and the extent of force in operation the switch can be operated more easily conveniently and …
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 October 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 18, 2024.
- 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.