Mechanically sealed adjustable gas nozzle
CA 2554656 C · Owner: Ward, Kenneth Ray · Inventors: Swogger, Otto W.; Ward, Kenneth Ray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adjustable gas nozzle has a nozzle body including a passageway therethrough opening into a first orifice at one end and an internal sealing surface adjacent thereto. A threaded internal surface is formed at a second end of the nozzle body. A conduit connected to a source of gas at one end having external threads adjacent a second end is threadably receivable within the second,end of the nozzle body and is moveable between the first and second alternative positions relative to the nozzle body. Integral radial ribs are formed externally about the conduit between the external threads and the second end of the conduit and are engageable with the internal surface of said nozzle body …
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
- Filed January 28, 2005 and granted January 6, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 28, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.