Acoustic shield
CA 2050432 A1 · Owner: Barnett, Christopher J. · Inventors: Barnett, Christopher J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A preformed acoustic shield for snap-fit application into an opening of a vehicle door is made of a self-healing cross-linked polyethylene, closed cell foam plastic to inhibit, water, air, dirt and noise from intruding into the vehicle. The shield includes a sheet portion preferably provided with an annular Y-shaped rib, a resiliently deformable pocket of predetermined shape to receive and protect vehicle apparatus such as a loud speaker or door handle mounted to the panel and, an annular undercut around the base of the pocket sized to interlockingly engage the panel surfaces and provide a first seal about the panel opening, the annular rib being flattened with the sheet portion to provide …
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, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 30, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 30, 2013.
- 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.