Expired Canadian patentCanada
Explosive hollow charge device
CA 711919 A · Owner: Firma Rheinmetall G.M.B.H. · Inventors: Hermann Renner; Franz Schaadt
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 June 22, 1965. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 1982.
- 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—
GrantedJune 22, 1965
Term endedJune 22, 1982
Patent numberCA 711919 A
Classification (IPC)F42B12/04
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.