Remote detonation of explosive charges
CA 2003166 A1 · Owner: Electronic Warfare Associates, Inc. · Inventors: Guerreri, Carl N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Explosive charges are detonated by remote control in environments having high levels of extraneous electric and electromagnetic energy by providing a separate control unit for each explosive charge. The control unit accepts coded commands radio transmitted from a command unit and, if those commands meet with pre-set criteria the control, unit detonates the charge. Each control unit is connected to its respective explosive charge by electrical or optical conductors providing sufficient separation as to allow the control unit to survive detonation of the charge without damage.
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 16, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2011.
- 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.