Ladder stabiliser
CA 1297850 C · Owner: Menelaus, Ian Geoffrey · Inventors: Harvey, David Henry Charles; Menelaus, Ian Geoffrey
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ladder Stabiliser", A stabiliser device for attachment to a ladder comprising an attachment portion 5 adapted to be attached to a stile 3 of a ladder and a leg portion 4 connected to and extending away from the attachment portion, the attachment portion being provided with two projections 6 of adjustable length extending outwardly therefrom and positioned such that the stile can pass freely therebetween when the axis of the stile, the projections, and a line joining the projections are generally mutually perpendicular and such that the projections engage the respective edge faces 10, 11 of the stile when the device is rotated about an axis generally parallel to the rungs of the ladder. The …
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 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 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.