Illuminated seat belt buckle
CA 2041973 A1 · Owner: Kawamura, Yoshihisa · Inventors: Kawamura, Yoshihisa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Illuminated Seat Belt Buckle, Abstract An illuminated seat belt buckle comprises a light source disposed within the buckle for emitting light and a member of light transmission material in the buckle forming a path for conducting light from the light source to a selected portion of the buckle. The member includes a first portion to receive light from the source, a second portion forming an angle with the first portion such the direction of the path changes and a totally internally reflecting prism for reflecting the light from the first portion to the second portion.
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 May 6, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 6, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 6, 2013.
- 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.