Adaptor for wafer valves
CA 1231331 A · Owner: Muddiman, George R. · Inventors: Muddiman, George R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adaptor for use in installation of a wafer style valve between opposed pipe flanges, said adaptor comprising a body having a recessed surface surrounded by a substantially vertical side wall, said recessed surface having an aperture therein and said side wall having at least one aperture therein adapted to receive joining means for joining said opposed pipe flanges with said valve therebetween.
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 January 12, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 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.