Clamp assembly for bag producing machine
CA 2075657 C · Owner: Ziegelhoffer, Paul · Inventors: Ziegelhoffer, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a bag making machine utilizing clamp bar assemblies in combination with a sealing drum, the improved clamp assembly wherein the clamp is coupled to a channel bight the clamp and, channel being related to the conventional pivot shaft by means of a circumferentially-extending pivot pin and with clearance between the channel and givot shaft.
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 August 10, 1992 and granted January 29, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 10, 2014.
- 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.