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Expired Canadian patentCanada

Clamping device for connecting detachable two profiled parts

CA 1215518 A · Owner: Syma Intercontinental Ag · Inventors: Strassle, Marcel

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

The invention provides a clamping device serving to connect two parts, such as a hollow horizontal beam and a vertical column, the device comprising a spring-loaded axially mobile anchor bolt mounted in a bore in an insert-core and arranged at the end of one part, the T-shaped head of the said anchor-bolt engaging behind a longitudinal groove in the other part by means of an eccentrically mounted screw in a threaded bush in the insert-core engaging in a conical recess in the said anchor-bolt the latter is drawn axially inwards in order to lock the two said profiled parts together. In other to facilitate assembly and to prevent the said anchor-bolt from jumping out of the insert-core under …

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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 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 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.
FiledOctober 31, 1983
GrantedDecember 23, 1986
Term endedDecember 23, 2003
Patent numberCA 1215518 A
Classification (IPC)E04B2/76 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedOct 31, 1983Patent grantedDec 23, 1986Term endedDec 23, 2003

Sources & verification

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