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Expired Canadian patentCanada

Gas target device with a safety volume

CA 1312968 C · Owner: Schweickert, Hermann · Inventors: Schweickert, Hermann; Bechtold, Volker

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A gas target device in which a gaseous target is bombarded with charged particles by means of a charged particle accelerator and radioisotopes are produced by profiting from different types of nuclear reaction. In the front part of the gas target device in direction of the entrance of the charged particles a vacuum 3 precedes the gas target device as a safety volume with gastight metal foils 10 12 provided on, both ends which metal foils however, are permeable to the, charged particles 18 and separate the front part gastight from the reaction space 14 of the gas target device and vacuum system 15 of the accelerator. The metal foil 10 is held by a flange between the housings 1, 2 and the …

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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, and the Claude kit works from them.

Why it's free to use

  • Granted January 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 16, 1989
GrantedJanuary 19, 1993
Term endedJanuary 19, 2010
Patent numberCA 1312968 C
Classification (IPC)H05H7/14 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMarch 16, 1989Patent grantedJan 19, 1993Term endedJan 19, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.