Extractor tool
CA 1136835 A · Owner: Lancaster, Robert D. · Inventors: Lancaster, Robert D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A tool for handling elements to be installed in or removed from a pressurized vessel may comprise: a housing adapted for connection and fluid communication with the pressurized vessel; a carrier assembly disposed in the housing for reciprocation therein to which elements may be attached for installation in or removal from the pressurized vessel; and first and second operator assemblies carried by the housing. The first operator assembly is engageable with the carrier assembly for reciprocation thereof between first and second terminal positions. A second operator assembly is engageable with the carrier assembly for selective rotation of the elements attached …
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 December 7, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 7, 1999.
- 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.