Device for depositing material under water
CA 2095282 A1 · Owner: Seatec B.V. · Inventors: Hoos, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device for depositing material under water. The device is provided with an elongated chute which is connected, near its upper end to a supporting structure at least partially located above the water surface. A frame is provided near the bottom end of said chute, which frame is provided with a tube section forming the bottom end of said chute, and with propelling means by which the frame and the, bottom end of the chute can be moved in directions perpendicularly to each other. The frame is coupled, using spring means to a supporting, member secured to the bottom end of said chute said supporting member, being provided with a second tube section which extends into …
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 April 30, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2015.
- 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.