Tension arch structure
CA 1186108 A · Owner: Bonasso, Samuel G. · Inventors: Bonasso, Samuel G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, A structural system for use in bridges buildings and other structures. The system supports part of its load by tension action and part of its load by arch action. Cables are stretched and anchored between end supports. Lateral compressive elements are placed over the cables and fit over grooves across the bottoms of the elements. The grooves vary in depth. The cables are near the bottom of the elements at the center span and near the top of the elements at the end supports.
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 April 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2002.
- 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.