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Expired Canadian patentCanada

Electrophoresis device with removable buffer tank

CA 1338056 C · Owner: Eastman Kodak Company · Inventors: Hellman, Robert Richard Jr.

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

There is disclosed an electrophoresis device comprising a gel plate assembly on a support and an, upper and a lower buffer tank. At least one of such tanks includes means for releasably mounting the at least one tank in liquid contact with the interior of the gel plate assembly and in removable position on the support, the releasable mounting means including a clamp that biases the at least one tank against the support with the gel plate assembly held between the at least one tank and the support.

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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 February 13, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2013.
  • 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 15, 1989
GrantedFebruary 13, 1996
Term endedFebruary 13, 2013
Patent numberCA 1338056 C
Classification (IPC)G01N27/44 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMarch 15, 1989Patent grantedFeb 13, 1996Term endedFeb 13, 2013

Sources & verification

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