Three-dimensional frame
CA 1268922 C · Owner: Schuco Heinz Shurmann Gmbh & Co. · Inventors: Grimm, Friedrich B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a simple and easily assembled three-dimensional frame. Essentially this consists of, joint pieces that have connector means that themselves consist of bodies that can be connected to each other and are separable the, casings of which are more or less cylindrical or polyhedral. In addition, the three-dimensional frame has tubular or rod-type connector pieces that can be joined to the connector means of the joint pieces that are arranged at intervals from each other for, example by means of screw connections. The joint pieces consists of circular, concentrically arranged bodies. Each body defines a plane of connection with an equal number of connectors.
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 15, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 2007.
- 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.