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Expired Canadian patentCanada

Supporting tie configuration for cryostat for cold shipment of nmr magnet

CA 1248006 A · Owner: General Electric Company · Inventors: Laskaris, Evangelos T.

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Abstract From the Canadian patent

SUPPORTING TIE CONFIGURATION FOR cryostat FOR COLD SHIPMENT OF NMR MAGNET, ABSTRACT OF THE DISCLOSURE A cryostat for use in magnets for NMR medical diagnostic imaging includes inner and outer vessels suspended by sets of at least three low thermal conductivity ties. The positioning of the tie anchoring points, particularly on the interior vessel are, selected in accordance with the present invention to preclude increased stresses in the supporting ties that occur as a result of thermal contraction. This configuration is particularly advantageous in that it permits the utilization of ties having smaller cross-sectional areas than would otherwise be required. The reduced cross-sectional area …

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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 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 14, 1985
GrantedJanuary 3, 1989
Term endedJanuary 3, 2006
Patent numberCA 1248006 A
Classification (IPC)F17C3/08 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJune 14, 1985Patent grantedJan 3, 1989Term endedJan 3, 2006

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