A detonation initiating device
CA 2355256 A1 · Owner: Smi Technology (Proprietary) Limited · Inventors: Goosen, Adriaan Johannes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
This invention provides a detonation initiating device for a detonator the , device including two spaced electrical conductors; a resistive substance extending between the electrical conductors for releasing energy upon , application of an electrical current to the resistive substance; and an explosive composition including diazodinitrophenol (DDNP) covering the , resistive substance. The explosive composition includes DDNP in fine particulate form as well as in a relatively larger particulate form. The detonation initiating device according to the invention is not only very , stable and resistant to accidental explosion but also very reliable due to , the presence of the fine …
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.
Why it's free to use
- Filed December 9, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 9, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 9, 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.