Detector for objects falling into water
CA 2258434 A1 · Owner: Casas De Peralta, Maria Teresa · Inventors: Peralta, Joaquin Orlando; Casas De Peralta, Maria Teresa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for detecting the fall of a person or object into a body of water comprises a, series of interconnected modules mounted in a line contiguous to the body and , associated, controls. The modules comprise alternately disposed radiation emitters and radiation sensors. The, controls are associated with the sensors and adapted to detect perturbations from a steady state, condition of the received radiation energy caused by reflections from the falling person or object.
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 January 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 2021.
- 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.