Supersonic nozzle for use in an infrared spectrometer
CA 1268348 C · Owner: Gough, Terrance E. · Inventors: Gough, Terrance E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a supersonic nozzle for injecting a gas into an infrared spectrometer, said nozzle having an aperture that produces a one-dimensional expansion of said gas. The nozzle has an entrance and exit and between the aperture and the exit is a region for one-dimensional expansion of the gas. The region has two windows that extend on either side of said aperture towards said exit, said windows having an interior surface that is set back slightly from said aperture. The windows are made of an appropriate material to pass infrared rays and allow the gas to expand in one dimension only.
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 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2007.
- 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.