Vehicle control system for multi-branching track
CA 2048264 C · Owner: Tanizawa, Hideichi · Inventors: Tanizawa, Hideichi; Watanabe, Yoshitaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle control system for a multi-branching track is disclosed. The system has a main travelling track for guiding a vehicle, a storage unit disposed before a branch point and storing data for selectively guiding the vehicle to one of a plurality of branch tracks, and a data-reading unit mounted on the vehicle and for reading the data stored at the storage unit. The storage unit stores data of branching directions of the brach tracks and further data of addresses of stations included in the respective branch tracks with the data and further data being correlated with each other.
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 August 1, 1991 and granted September 28, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 1, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 1, 2013.
- 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.