Method and apparatus for producing a continuous web from a block of material
CA 2363144 A1 · Owner: Desmarais, Thomas Allen · Inventors: Sabatelli, David Albert; Desmarais, Thomas Allen; Shiveley, Thomas Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method and an apparatus for forming a continuous web (11) from a block of material (1). The block material (1) has a base and a central axis (2) extending generally orthogonally from the base. The apparatus preferably comprises a bath (7) including a fluid (5) into which the block of material can be at least partially submersed. Further the , apparatus preferably includes means for rotating the block about the central axis (2), a cutting device (7) and means for linearly decreasing the predetermined distance of the cutting blade from the central axis. The cutting device (7) is preferably positioned so as to make a cut into the block at a …
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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 February 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 18, 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.