Peripheral glass /stoppage sealing element
CA 2239225 A1 · Owner: Saar-Gummiwerk Gmbh · Inventors: Reis, Wilhelm; Hirtz, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a branch-shaped peripherally adjustable sealing , profile used as vitrification or stoppage sealing element made of rubber elastic extrudable and foamable material or materials functionally subdivided into the following profile areas: a base body (spreader) one or more sealing , bodies formed on one of the sides of said base body one or more stoppage lips , placed on that same side of the base body as well as a lower body having one , or multiple parts formed on the side opposite to the sealing body for anchoring in an accommodating groove. The sealing profile can also be inserted either manually or mechanically in accommodating grooves wider than 6 mm without …
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 September 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2019.
- 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.