Device for preparing the ground area of an arena
CA 2208685 C · Owner: Diehl, Georg Michael · Inventors: Diehl, Georg Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device for reconditioning the ground area of an arena in a riding hall or in an open riding course, which device comprises a chassis which spans the breadth of the ground area and can be moved lengthwise backwards and forwards. The chassis comprises vertically adjustable tools for preparing and levelling the ground area while the chassis is moving, and means for dampening the ground area from a low level.
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
- Filed October 25, 1995 and granted January 21, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 25, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 25, 2017.
- 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.