Floating contaminant containment systems
CA 2086439 A1 · Owner: Willis, Richard R. · Inventors: Willis, Richard R.; Benoit, Luc P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Leaking oil and other contaminants (10) floating on water (12) are contained by providing sheet material (14) at the site (15) of the contaminant for fabrication of a containment boom structure. Such containment boom structure (13) is continually fabricated from that sheet material at the site and upon the occurence of the contaminant floating on water and is continually deployed into the water (12) against the spread of the contaminant on that water. By way of example oceans and other bodies of water (12), as well as coastal environments (54), may thus be protected against the spread of leaking oil after accidents involving oil tankers (39) or offshore drilling operations, or against …
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 September 27, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 27, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 27, 2013.
- 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.