Drifting datum marker buoy
CA 2234285 A1 · Owner: Leger, Gregory T. · Inventors: Burke, Ronald F.; Leger, Gregory T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a drifting marker buoy that exhibits dual drift characteristics. These characteristics emulate the drift of a person in water i.e. a, minimum leeway object, as well as a larger object such as a life raft in water i.e. a, maximum leeway object. The marker buoy is capable of being packaged within a small housing and can be easily air or water deployed using for example, a small military, "A-size" launch tube. The buoy can be monitored by a variety of means and adapted so that it is capable of acquiring geographical self-location data via satellite-based positioning systems. Incorporating a configurable drift object in a sonobuoy air launch package, along with the …
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 7, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 7, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 7, 2020.
- 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.