A manually operated controller apparatus
CA 2298407 A1 · Owner: Lee, Kyung-Sup · Inventors: Lee, Kyung-Sup
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an ergonomic computer controller commonly called a mouse. To ease strain of the muscles of the hand and fingers, the mouse has a housing including various support surfaces for the palm, fingers and thumb of the user. The palm surface is tipped to the horizontal both transversely and longitudinally so that the exterior portion of the heel of the hand is adjacent to the surface on which the mouse is supported. The finger support surface for the middle finger is substantially vertical so that the middle finger when relaxed may hang substantially vertical. The button for generating control signals moves in a direction normal to the finger support surface so that no …
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 February 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 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.