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Expired Canadian patentCanada

Bus bar connection system

CA 1094656 A · Owner: Minnesota Mining And Manufacturing Company · Inventors: Mickelson, Norman W.

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 bus bar connector system including a bus bar which is a conductive band coated with an electrically insulating material, and a conductive contact clip which is slotted to receive the bar and locally remove the insulation therefrom to electrically connect the clip to the bar. The clip with the bar defines a receptacle for an electrical terminal post and the clip has a resilient lever arm to contact the terminal post and thus complete the electrical circuit from the post to 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 January 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 27, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 8, 1979
GrantedJanuary 27, 1981
Term endedJanuary 27, 1998
Patent numberCA 1094656 A
Classification (IPC)H01R9/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedFeb 8, 1979Patent grantedJan 27, 1981Term endedJan 27, 1998

Sources & verification

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