Due-line
CA 2291573 A1 · Owner: Marko, John Peter · Inventors: Marko, John Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The uniqueness of this invention call DUE-LINE which is a multi use product, that can be used in many situations. While inventing, designing and developing this product DUE-LINE. we found, many uses. This invention is a device that fits on the spine of a telephone book, shop manuals, catalogs and securely and freely suspends the book in a hanging position. DUE- LINE, can also be, used for clothing, garments hardware, residential and commercial use allowing a person to use this, product eliminating a shelf. Multi-usefulness and versatility, describe DUE-LINE. By opening a phase book in the middle, pulling the cording on DUE-LINE until fully opened, sliding the carding into the center of …
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 November 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 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.