Transport apparatus for handling cut products
CA 2281285 A1 · Owner: Paper Converting Machine Company · Inventors: Wierschke, Larry D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transport apparatus for handling rows of units of multi-ply material such as rolls of bathroom tissue or paper toweling and stacks of folding facial tissue or toweling includes a pair of movable shuttles which can be moved together to provide a bridge for conveying the units over an opening and which can be moved apart to provide a gap so that trim pieces or selected units can fall through the opening. When the shuttles are moved to an upstream position the, shuttles bridge the opening, and units can be moved over the shuttles and over the opening. When a trim piece or selected unit is positioned just upstream of the downstream shuttle, the downstream shuttle is moved in a downstream …
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 September 2, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 2, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 2, 2021.
- 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.