Insulated metal panel garage door
CA 2044567 A1 · Owner: Wegner, David K. · Inventors: Wegner, David K.; Schlicht, Larry J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A garage door has a multiplicity of transversely extending panels with a preformed core of synthetic resin and integrally formed metallic front and rear skins of the same configuration but reversed. The front skin has its top edge portion configured with an inwardly and then upwardly extending wall portion to define a shelf-like recess adjacent the front face a generally horizontal top wall portion and a depending lip portion. The bottom edge portion of the outer skin is configured with a generally U-shaped portion extending downwardly from the core and configured and dimensioned to be received within the shelf-like recess of the next lower panel a generally horizontal portion, and an …
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 June 13, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 13, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 13, 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.