Building structure with fixed center and movable perimeter roof sections
CA 1304555 C · Owner: Carr, Don F. · Inventors: Carr, Don F.; Parazader, Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a building structure with a two part roof including a first generally horizontal top fixed roof part and a second roof part extending downwardly outwardly from the first roof part and formed by sliding panels for retractability of the second roof part. The first and second roof parts are separated by a first roof support which is under compression with a second roof support which is under tension being provided below the second roof part.
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
- Granted July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
- 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.