Compact folding aircraft passenger ramp
CA 2402914 A1 · Owner: Smith, Dave W. · Inventors: Smith, Dave W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mobile passenger ramp for loading and unloading aircraft the, comprising having upper and lower frame sections connected pivotally so that the, ramp can be folded for storage or movement about the tarmac and unfolded at an obtuse angle to form a wide "footprint" to provide wind or jet blast stability. An, arcuate surface bridges between the ramps of the two frames when unfolded. The compact ramp remains safely clear of a "No-Go" zone while still being sufficiently long to minimize the slope of the ramp for improved ease of use by, passengers, either ambulatory or in wheelchairs. A steerable wheel at one end of the ramp enables rotation of one frame about the pivoting connection for …
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 September 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 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.