Overlapping seal for insulated folding door
CA 2033804 C · Owner: West, Floyd D. · Inventors: West, Floyd D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A panel for a multi-panel folding door includes a semi-rigid, transparent partition with insulating layers disposed on opposing sides thereof. A collapsible nose seal adjacent to a lateral edge of the panel and extending substantially the length thereof is adapted for engagement with another similar panel also having a collapsible nose seal to provide an interlocking, insulated seal between the panels when the door is closed while permitting the panels to be separated when the door is opened. A magnet in the collapsible nose seal of each panel is adapted for magnetic coupling to a metal plate in the other panel to provide a weather-tight thermal insulating, seal. Each of the insulating …
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 8, 1991 and granted September 19, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 8, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 8, 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.