Spacer suited for being embedded in concrete
CA 1329707 C · Owner: Dreizler, Siegfried · Inventors: Dreizler, Siegfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A b s t r a c t, Spacer suited for being embedded in concrete for use with, wire reinforcements placed in the walls of concrete pipes cast in molds. One side of a basic body is provided with radially projecting mounting elements for connecting the basic body with the wire reinforcement. The radially opposite other side of the basic body is equipped with a spacer element projecting in radially opposite direction relative to the mounting elements and terminating by an inclined surface which extends substantially in axial direction for assisting the sliding movement when mounting the mold.
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 24, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2011.
- 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.