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Expired Canadian patentCanada

Integral bus bar contact stab structure

CA 1102893 A · Owner: Gould Inc. · Inventors: Rhodes, John M.; Luke, Roger D.

CIPO record

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

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Abstract From the Canadian patent

Plug-in stabs formed integrally with a bus bar for mechanically and electrically connecting with circuit breakers, or the like, are shaped so as to have mutually perpendicular contact plug-in elements on a single stab unit enabling the single stab unit to receive circuit breaker contacts that are oriented in mutually perpendicular directions. The single stab unit includes a forwardly extending stab in a plane perpendicular to the longitudinal axis of the bus bar and a pair of forwardly extending elongated rectangular stab-sections disposed in spaced parallel planes that are perpendicular to the plane of the bus bar and parallel to the longitudinal axis thereof. Each stab section constitutes …

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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 June 9, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.
FiledSeptember 12, 1979
GrantedJune 9, 1981
Term endedJune 9, 1998
Patent numberCA 1102893 A
Classification (IPC)H02B1/20 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedSep 12, 1979Patent grantedJune 9, 1981Term endedJune 9, 1998

Sources & verification

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