Maintenance stand
CA 2691722 C · Owner: Nelson, Eugene R. · Inventors: Nelson, Eugene R.; Brown, Eugene R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wheeled maintenance stand for aircraft has a worker platform elevated by a pair of double scissor linkages which have track and follower connections with a mobile base frame and the worker platform. A staircase with self-leveling steps is connected to a laterally outer side of one of the double scissor linkages. A power unit supplies fluid power for propelling the stand operating the scissor linkages and steering. The upper worker platform has left right and center rolling sections. A manually operated brake is provided for each of the rolling sections. Electric power compressed air and cooling air are supplied to the upper work platform
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 30, 2006 and granted July 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 30, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.