Apparatus having a guard for preventing splashing
CA 2398378 A1 · Owner: Helmrich, Ralph H. · Inventors: Helmrich, Ralph H.; Slocum, Ray G.; Diamond, George B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus which includes a container (26) having a side wall (58) a top end , (28) and a bottom end for containing a product under pressure a raised top , end and/or bottom end to provide increased headspace (24) and, when needed, an internal splash guard for preventing the splashing of the contents when opening of the container. The splash guard may include an internal bead (60) formed in a side wall of the container and may also include an additional internal bead (62) formed in the top end of the container. Head space may also be increased by reducing the diameter of the concavity formed in the top end. The concavity may also be formed in the bottom end or both the top and bottom …
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 January 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 26, 2023.
- 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.