Method for packaging secure documents
CA 2441552 A1 · Owner: Spiral Sprl · Inventors: Spinoy, Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns secure documents and adapted packages. The documents are stacked with at least one front or rear side comprising a customized zone. The edges or rear folds of the documents comprise a variable mark depending on the position of the document in the stack the assembly of marks producing a natural image so that any missing document or any sequence not in conformity can easily be spotted visually. The stacks are placed in sleeve-shaped packages comprising on one side a window in conformity with said customized zone of a first document and on an adjacent side a window for visually examining said image. For each sleeve the marked edge of the documents and the customized zone …
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 March 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 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.