Inflation valve
CA 1180976 A · Owner: Mallinckrodt, Inc. · Inventors: Jackson, Isaac S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure An inflation valve includes a valve body formed of a suitable rigid material and having a longitudinal passage therethrough. Internally the valve body includes an inwardly extending annular member for supporting the valve element and providing a valve seat. This annular member has a predetermined longitudinal dimension between a transverse wall at one end and the base of the valve seat at the other end. The valve includes a valve element made of such size as to move freely within the aforementioned longitudinal passage. It includes a nose portion for engaging the valve seat at one side of the aforementioned annular member on the valve body and an enlarged portion …
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 15, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2002.
- 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.