Roller entry guide
CA 1237299 A · Owner: Fabris, Mario · Inventors: Fabris, Mario
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A roller entry guide comprises a body with a pair of roller assemblies mounted on the body. The spacing between the assemblies is adjustable by a gear mechanism that induces relative longitudinal displacement between the body and the assemblies. Slides acting between the body and the assemblies produces a lateral component of movement to move the assemblies toward or away from each other whilst maintaining them parallel.
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 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.