Electronic tender system
CA 2293168 A1 · Owner: Nec Corporation · Inventors: Sako, Kazue
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The coding function section in the bidder sub-system 100 is supplied with a code parameter depending on the bidding price, and the bidding price is coded depending on this code parameter. The tender opening system 200 decodes sequentially the decode parameter corresponding to the highest bidding price starting from the highest or the lowest one among bidding prices that can possibly be accepted and, the one that is successfully decoded is judged to be a bidding price corresponding to that parameter and accepted as contract price. The information of unaccepted bidding prices will be concealed, by not publishing the decode parameter concerning the bidding prices of the order inferior to the …
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 December 29, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 29, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 29, 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.