Injector rotary processing device with fixed diameter base
CA 2297860 A1 · Owner: Prittie, Allan R. · Inventors: Prittie, Allan R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A unique rotary die cutting system including an injector mechanism that accurately positions a moving continuous web in such manner as to permit the implementation of a set of constant diameter cylindrical bases onto which are mounted by various means a pair of removable complementary steel sheet dies. The, integrated action of the novel sub-sections of the invention permits significant, improvements in economies of operation relative to existing rotary converting technologies.
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 February 2, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 2, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 2, 2022.
- 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.