Manual tool holder apparatus operating with the aid of liquid fluid under pressure having safety in use
CA 1083927 A · Owner: Ecolasse, Guy · Inventors: Ecolasse, Guy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a portable power tool comprising an inlet hose for receiving hydraulic fluid under pressure, an outlet hose for returning the hydraulic fluid to a reservoir and a hydraulic motor for providing rotary power to the tool, the hydraulic motor being mounted on a fork at the end of a hollow shaft~
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 August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 1997.
- 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.