Gas laser system
CA 1080839 A · Owner: National Research Council Of Canada · Inventors: Reid, John; Siemsen, Klaus J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Klaus J. Siemsen John Reid, ABSTRACT OF THE DISCLOSURE, A gas laser system which provides sequence lines of emission inaddition to the regular lines. The system includes a discharge cavity having a discharge tube and a hot gas absorber cell. The lasing gas and the gas in absorber are identical and may be either CO2 N2O or, isotopes of this gas. The absorber cell is approximately 1/5 to 1/3 the length of the discharge cavity with the interior temperature of the absorber cell being greater than 200°C and the pressure within the cell being in the order of 20 torr.
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 July 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
- 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.