Simulated divided lite windows
CA 2289804 A1 · Owner: Bowmead Holdings Inc. · Inventors: Field, Stephen; Glover, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sealed glazing unit simulating the appearance of a traditional divided-lite window has spaced apart parallel co-extensive glazing sheets interconnected by a, peripheral seal. Muntin grid elements are located on at least two surfaces of the, glazing sheets in mutually aligned registration the elements being of a width , sufficient to create a visual illusion of solid muntin bars within the glazing sheet cavity. Each of, the muntin grid elements has on one side a relatively dark shade facing interiorly of, the glazing unit and in the opposite side a relatively light shade facing exteriorly of the, glazing unit, the combination of these shades creating the visual appearance of solid, …
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 November 16, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2021.
- 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.