Fuel tank
CA 2769741 C · Owner: Honda Motor Co. Ltd. · Inventors: Sakamoto, Kazuhiro; Matsubara, Yasunori; Saitoh, Teruyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel tank comprises an upper-half tank body (7) and a lower-half tank body (8) which are made of bowl-shaped steel plates and which integrally include a flange (7f) and a flange (8f) in their peripheral edges respectively, the flanges (7f, 8f) being superposed on and liquid-tightly connected to each other. The flanges (7f 8f) are connected together by crimping into a roll shape to form an annular thick-walled connection (12) and an annular reinforcing rib (7r, 8r) leading to the connection (12) is formed at least in one of the upper-half and lower-half tank bodies (7 8). Thus, it is possible to provide a fuel tank in which a sufficient strength can be imparted to portions around a flange …
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 23, 2006 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 23, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.