Impervious shelter made of modules
CA 1292352 C · Owner: Societe Gerac · Inventors: Side, Solly
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An impervious shelter is made of tube-shaped modules fitted end to end. The invention pertains more especially to the junction between the facing ends of the modules. Each module has an outer shell covered on the inside by a metal sheet. At the facing ends of two modules the metal, sheets are prolonged by collars which fit into one another. At least one of the collars has a grooved and flexible part which can change shape without breaking when the shelter is subjected to external stresses.
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 November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2008.
- 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.