Break bollard
CA 1184373 A · Owner: Mampaey, Johannes J. · Inventors: Mampaey, Johannes J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: Break bollard, Abstract of the disclosure: A break bollard provided with a central post which is attached to a base plate which in its turn is secured to a stationary support construction by means of a screwed bolt construction with weakened region of incipient fracture, which is positioned between the screwed bolt head portion and a portion lying therebehind and arranged for engagement in rotary sense in case of fracture thus. ensuring, after fracture, an easy and rapid restoration to the original state.
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 March 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2002.
- 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.