Bulkhead door seal
CA 2295452 A1 · Owner: Dimauro, Ronald F. · Inventors: Dimauro, Ronald F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bulkhead door seal is a sealing device that provides effective sealing of the, interface between a bulkhead door assembly and a top of a concrete foundation wall to, which it is attached. It prevents air and water from intruding into basement spaces, around the bulkhead door assembly. The present invention is made of a flexible material that is very durable in all types of climates and will not break down over time. It, is positioned between the bulkhead door assembly mounting flange and the top of the, foundation wall. It may be configured with an inner vertical lip so that driving rain will not, enter the interior of the door assembly a flat mounting surface to accept a , door …
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 January 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 2022.
- 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.