Hook bolt adapter
CA 1096669 A · Owner: Lindsay (Henry) Limited · Inventors: Alderton, Gordon H.S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adapter which converts a bolt into a hookbolt has a nose portion and a tail portion diametrically opposed with respect to the stem of the bolt. The nose portion has an engagement surface which curves upwardly away from a flange to which the bolt is to be hooked and parallel ribs are provided on the engagement surface which extend outwardly away from the stem of the bolt. The ribs are deformable so as to compensate for irregularities in the surface of the flange.
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 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- 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.