Method and apparatus for locating hidden corpses by detecting volatile gas combinations
CA 2347870 A1 · Owner: Copp, Douglas F. · Inventors: Copp, Douglas F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable, hand-held device for locating the remains of a corpseby sensing a combination of volatile gases which are released during bacterial decomposition of human tissue. One such combination of volatile gases includes methane, ammonia and a volatile organic compound such as a ketone that is , released when livers decompose. The portable device comprises: a combination of commercially available sensors (14, 16 18) which can detect these , chemicals in parts per million concentrations; an air conduit (22) with a fan (20) to draw ambient air across the sensors (14 16, 18); and various types of , alarm/visual indicators (42 44) to alert an operator the detection of all three gases …
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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 October 28, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 28, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 28, 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.