Self-retracting, self-locking portable document storage system
CA 2118362 A1 · Owner: Bergman, Mark David · Inventors: Bergman, Mark David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a self-retracting and self-locking portable document storage system. The system includes a top protective sheet and a bottom protective sheet which may be releasibly connected together. The sheets comprise a material resistant to aging and light damage. The system permits the document or documents stored between the sheets to be positioned therein without any damage to the document. This is achieved in one, embodiment, by employing hook and loop material which also provides an adhesive. The system includes a hollow tubular structure within which the top and bottom sheets and any document(s) may be contained. A spring roller arrangement is provided to assist in extension …
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 October 18, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 18, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 18, 2016.
- 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.