Concrete block, primarily intended for use as a road barrier
CA 1069361 A · Owner: Almer, Bengt O. · Inventors: Gidlof, Karl G.; Almer, Bengt O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A concrete block having an essentially triangular cross- -sectional configuration and an elongate shape and intended to be used to temporarily or permanently delimit roadways parking lots and the like. The block side faces have a concavely rounded configuration matching that of a vehicle wheel, and the block base comprises bevelled edge faces allowing the block to be tilted at a limited angle upon impact from e.g. a vehicle. An anchoring means of an essentially crank-like shape may be provided to improve the stability of the block, one leg of said crank extending vertically into the foundation whereas the other one projects vertically into a recess formed in the block said recess, having a …
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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.