Breakaway utility pole inverted base structure
CA 1300846 C · Owner: Parsons, James H. · Inventors: Parsons, James H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A breakaway utility pole mounting structure comprising a pole (9) having an end portion (10) telescopically received in the depending tubular portion (16) of a base extending below ground level and an adhesive material (17) bonding said pole end portion (16) to said tubular base portion (16) said adhesive, material (17) adapted to fail when said pole (10) is subjected to an impact at apredetermined distance above ground level from a vehicle of predetermined minimum weight moving at a predetermined minimum speed.
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 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.