Formwork system
CA 1237293 A · Owner: Bý, Helge · Inventors: Bý, Helge
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A formwork system (10) comprising frame elements (11, posts (12) for arrangement between the frame elements if necessary locking means (21), together with formwork sides (13). The frame elements are designed with longitudinal grooves (15) and/or keys at least in the sides which face towards the posts (12) for engagement with corresponding keys or slots in the post. The front side of the formwork side (13) after arrangement in the frame element is flush with the front side of the post, either in that the corners on the front side of the post, parallel to the key (18) or the groove, are designed with a longitudinal notch having a depth which is equal to the thickness of the formwork side or …
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 May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.