Variable flow cryostat with dual orifice
CA 1108422 A · Owner: Air Products And Chemicals, Inc. · Inventors: Longsworth, Ralph C.; Chalmers, Matthew G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cryostat for producing an inventory of a liquefied working fluid by expansion of the working fluid through an orifice the cryostat including means to rapidly cool the cryostat to operating temperature and to maintain fluid flow at low temperature and high working fluid pressure to maintain maximum heat transfer between the working fluid and an object being cooled by the cryostat.
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 September 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 1998.
- 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.