Dry and/or wet one-atmosphere underwater system
CA 1278956 C · Owner: Kvamsdal, Rolf · Inventors: Kvamsdal, Rolf; Karal, Eva R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure. A dry and/or wet one-atmosphere underwater system for the recovery of natural resources, comprising pressureresistant units containing the necessary/desired production equipment, including also control/habitat facilities, and connection (access) means between the pressure-resistant units. The units and the connection means are components fitting into a modular (building-block) system with fastening (coupling) and access devices having measurements and distance standardized according to the system further comprises an autonomous submarine provided with corresponding fastening and access devices having measurements and distance standardized according to the system.
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 January 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
- 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.