Checking device for printing group
CA 2244463 A1 · Owner: Haug, Werner · Inventors: Haug, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a printing group which is intended for value marks printing (e.g. franking) a checking device is inserted in order to prevent misuse, i.e. not credited stamps, by manipulation of the current feed or manual operation. This checking device counts every single printing operation, thanks to its on current supply. The meter reading of the checking device can be compared with the reading of the usual printing group meter. In case of a discrepancy between the two readings the printing group jams or an alarm goes off via the control, electronics of the printing group e.g. in the form of a security card. A great advantage of this checking device is its complete storing in the checking device …
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 12, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2019.
- 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.