Panel assembly for traffic noise barrier wall
CA 2555920 C · Owner: Evonik Cyro Llc · Inventors: Humphries, Eric C.; Stauffer, Raymond; Miller, John H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A panel assembly (50) for a traffic noise barrier wall (48) of the type including opposing slots (18) formed in pairs of vertically-mounted posts (14) is described. The panel assembly (50) includes a sheet (54) which may be , transparent, and a frame (62) disposed along at least a portion of the perimeter of the sheet (54). Side portions of the frame (62) capture at least a portion of the side edges (60) of the sheet (54) and are received within the opposing slots (18) in drop-down fashion. (Drawing Fig. 2)
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 9, 2005 and granted September 16, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 9, 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.