Method and apparatus for manufacturing muntin bar assemblies
CA 2435331 A1 · Owner: Cardinal Ig Company · Inventors: Trpkovski, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus for assembling muntin bar lattices and spacer frames for use in insulating glass units are disclosed. One method of assembling a muntin bar lattice in accordance with the present invention comprises the steps of providing a muntin bar segment and a keeper dimensioned for piercing a wall of the muntin bar segment. A keeper in accordance with an exemplary embodiment of the present invention comprises an elongate body including a tip portion that is dimensioned for piercing a wall of the muntin bar segment to create on opening therein. A spacer for the separation of panes in an insulating glass unit in accordance with one exemplary embodiment of the present …
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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 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 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.