Open-ended seismic source
CA 1112349 A · Owner: Exxon Production Research Company · Inventors: Kirby, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An open-ended seismic source for use in a liquid medium such as water is disclosed. The source includes a source of explosive gas a, firing chamber connected to the source a capacitor discharge ignition, system connected to the firing chamber for igniting the gas in the firing chamber, a barrel connected to the firing chamber defining an explosion, chamber and having an outlet at its lower end a plurality of baffle plates, fixed in the barrel near the outlet for permitting the exploded gas to enter the medium and for retarding the entry of the medium into the barrel and a reaction plate attached to the barrel and disposed below the outlet so that the exploded gas entering the medium …
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 November 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.