Emergency evacuation system
CA 2369188 A1 · Owner: Bockhold, David Lawrence · Inventors: Bockhold, David Lawrence
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An emergency passenger evacuation system for aircraft or other elevated structures, includes an elongate fabric chute having a series of segments which sequentially, release to selectively elongate the chute in a stepwise fashion to accommodate varying, drop heights. The segments each include a tuck of fabric with a releasible , retainer for, holding the tuck in a shorten position and releasing the tuck to extend the , chute length. The upper end of the chute may join with a support frame consisting of an array of, inflatable tubes. The lower end of the chute may be associated with an angled slide, with the length of the chute being determined by reference to the need for maintaining, …
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 January 23, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2024.
- 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.