Metal support column shipping assembly
CA 2507332 C · Owner: Johnson, Robert · Inventors: Johnson, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A metal support column shipping assembly including a metal tubular support , column with a shaft protruding from a top end of the support column. A top plate is provided having , an aperture extending therethrough adapted to engage a remote end of the shaft. A bottom , plate is provided which has a collar adapted to engage a bottom end of the support column. , The bottom plate also has an aperture extending therethrough. The assembly has the shaft , extending through the aperture in the top plate and the aperture in the bottom plate. A nut , positioned on the shaft prevents the top plate and the bottom plate from being removed from , the shaft.
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 April 29, 2005 and granted January 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 29, 2025.
- 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.