Expired Canadian patentCanada
Process for the production of a water-bearing explosive composition
CA 975178 A · Owner: Dyno Industrier A.S. · Inventors: Samuelsen, Eirik
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
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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
- Granted September 30, 1975. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 1992.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 30, 1975
Term endedSeptember 30, 1992
Patent numberCA 975178 A
Classification (IPC)C06B47/14
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.