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Expired Canadian patentCanada

Spring wire formed tulip contact

CA 1068370 A · Owner: Gould Inc. · Inventors: Kucharski, Leonard J.; Mcconnell, Lorne 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

Abstract of the Disclosure A spring wire formed tulip contact comprises cylindrical male and female members. The female member is formed by placing a plurality of spring wire fingers around the outer circumference of a cylindrical stud member in such a manner that the plurality of fingers extend axially outward from the stud to form a female contact sleeve. Each of the plurality of fingers are bent axially inward with respect to the stud in order that the innermost diameter of the female contact sleeve is smaller than the outer diameter of the male contact member. The plurality of fingers are held in firm electrical and mechanical contact with the stud member by a cylindrical retaining …

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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 December 18, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 18, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedDecember 18, 1979
Term endedDecember 18, 1996
Patent numberCA 1068370 A
Classification (IPC)H01R13/11 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedDec 18, 1979Term endedDec 18, 1996

Sources & verification

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