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Expired Canadian patentCanada

Electrically connecting

CA 1207047 A · Owner: Teradyne, Inc. · Inventors: Walkup, William B.; Johnson, Lennart B.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A plurality of daughter printed circuit boards are detachably mounted on a backplane and electrically connected to a bus bar on the same side of the backplane via contacts on the daughter boards that mate with contact portions of the bus bar.

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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 July 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 10, 1983
GrantedJuly 2, 1986
Term endedJuly 2, 2003
Patent numberCA 1207047 A
Classification (IPC)H05K7/14

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedNov 10, 1983Patent grantedJuly 2, 1986Term endedJuly 2, 2003

Sources & verification

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