Multi-functional base for a plastic wide-mouth, blow-molded container
CA 2444041 A1 · Owner: Tobias, John W. · Inventors: Ogg, Richard K.; Tobias, John W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A blow molded container (10) having a multi-functional base (12) which enables use of the container (10) in both hot-fill operations and pasteurization/retort operations and enables efficient vertical stacking of like containers (10). To this end, a portion of the base (12) is capable of flexing upwardly and/or downwardly in response to variations in pressures in a filled and sealed container (10). Structurally the base (12) has a , discontinuous concave outer annular wall (28) forming a discontinuous standing ring (38) and an inner annular wall (40) functioning as a flex panel. The inner annular wall (30) connects outwardly to a pluraltiy of radial webs (46) extending at an …
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 16, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 16, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2024.
- 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.