Rapid access portal
CA 2270632 A1 · Owner: Kellem, Carl W. · Inventors: Riehm, George; Parks, Donald; Kellem, Carl W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rapid access door system (10) is provided wherein authorized individuals may pass through the door system (10) and wherein unauthorized individuals are blocked from entering a secured area past the doors (29a and 29b) and are automatically rerouted to an unsecured area for further processing without blocking the door system (10) and impeding the flow of other individuals entering the door system. The door system uses modular units employing sensing means (43a) and a specially configured door which door automatically provides the rerouting of persons in the system. The sensing means (43a) determines among others, the number of persons in the system whether the door is opened , or …
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 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 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.