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Expired Canadian patentCanada

Plug-in ballast

CA 1292293 C · Owner: Jannock Electrical Products Inc. · Inventors: Nordby, Leonard Richard

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

Abstract of the Disclosure An electrical ballast suitable for use with fluorescent lamps is provided with transition connectors for wiring up the ballast to the electrical supply and to the lamp which it operates. The transition connector is of a simple, low cost construction, which receives solid conductors in a range of sizes, in push-in connecting relation and, obviates the former requirement of providing a permanent wiring harness as the connection means.

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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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 18, 1986
GrantedNovember 19, 1991
Term endedNovember 19, 2008
Patent numberCA 1292293 C
Classification (IPC)H01R9/16 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJuly 18, 1986Patent grantedNov 19, 1991Term endedNov 19, 2008

Sources & verification

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