Methods and structures for sealing air gaps in a building
CA 2349432 A1 · Owner: Grunst, Kenneth D. · Inventors: Grunst, Kenneth D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided is a seal structure for sealing an air gap between a framing member and a, wallboard. The seal structure is formed from a curable flowable material. The , seal, structure has a body having first and second opposing surfaces and a plurality of, flexible seal members integral with and extending generally transversely with respect, to a second surface of the body. The seal members are disposed in spaced relation, to define a double seal between the framing member and the wallboard when the wallboard engages distal ends of the seal members. Also provided is a preformed, seal structure. The invention further provides a method of sealing air gaps in an, attic using an elastomeric …
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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 June 1, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 1, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 1, 2023.
- 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.