Wireless detonator assemblies, corresponding blasting apparatuses, and methods of blasting
CA 2582237 C · Owner: Orica Explosives Technology Pty Ltd. · Inventors: Stewart, Ronald F.; Bampfield, Howard A.; Chan, Sek Kwan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A wireless or partially wireless detonator assembly and corresponding blasting apparatus, that may be "powered up" by a remote source of power that is entirely distinct from the , energy used for general command signal communications. In one embodiment the , detonator assembly may include an active power source with sufficient power for , communications, but insufficient power to cause intentional or inadvertent actuation of , the detonator.
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 November 2, 2005 and granted September 25, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 2, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.