Improved pipe support apparatus
CA 2498471 C · Owner: Advance Products And Systems, Inc. · Inventors: Calais, Chad Anthony; Johnson, Lucas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pipeline support for supporting a pipeline along its longitudinal axis comprised of a first and second longitudinally extending cylindrical supports supported on transversely extending threaded rods. The first support is fixed at one end of the transversely extending rods and the second support is movable along the rods toward and away from the first support so that the contact surface between the pipeline surface and the support surface may be moved and adjusted to inspect for corrosion or other defects. The pipeline support is designed so that the space between the first and second supports may be adjusted from one side of the pipeline only.
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 February 25, 2005 and granted February 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 25, 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.