Flexible blanket
CA 1238794 A · Owner: Dunlop Oil & Marine Ltd · Inventors: Waters, Charles M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flexible blanket for protection or stabllisation of underwater structures and pipe lines, unstable beds and embankments comprising a plurality of segments arranged in one or more layers each one segment in height, the segments of the or each layer being disposed substantially contiguously at least at a median zone of their height dimension each, segment tapering substantially regularly from a maximum cross section at said median zone to a minimum cross section at one or both ends thereof, and each segment being so bonded to each adjacent segment in the region of their respective median zones that the segments are held substantially contiguously but are free to pivot relative one to …
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 July 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2005.
- 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.