Method of and means for producing reinforced ribbed structures
CA 1282571 C · Owner: Rib Loc Australia Pty. Ltd. · Inventors: Menzel, Stanley William Otto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method of and means for reinforcing a structure formed by interengaging the edges of ribbed strip means (1) formed of a plastics material to form a helically wound tube or a panel, the strip means (1) comprising a plurality of ribs (2) spaced apart and upstanding from a base (24) characterised by engaging on the strip means (1) a nonplanar reinforcing member (10), and locking the reinforcing member (10) to the strip means to form an attached strength member particularly to attain lateral stability of the ribs.
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 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 9, 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.