Large bottle-shaped container having substantially rectangular cross section
CA 2562816 C · Owner: Sasaki, Masaaki · Inventors: Sasaki, Masaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A large container made of synthetic resin and comprising a neck (1) and a , body (2); said body having a substantially rectangular cross section and , including an upper body (11) and a lower body (12); said upper body (11) containing a center of gravity of the container when filled with liquid; said upper body (11) having a waist (13) section containing the center of gravity; said waist section (13) having a grip (14) said grip (14) being not adapted , to absorb a negative pressure in the container; at least one surface of said lower body including a vacuum panel (16 26). A large container made of , synthetic resin and comprising a neck (51) and a body (12); said body (12) having a …
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 April 14, 2005 and granted October 30, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 2025.
- 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.