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Expired Canadian patentCanada

Joint bridging device

CA 1308567 C · Owner: Gottschling, Reinhard · Inventors: Gottschling, Reinhard

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

The joint bridging device consists essentially of a bridging unit with anchoring units attached to its longitudinal sides. In order to achieve a largely stepless smooth transition, across a joint from one building component to another ribs, on the bridging unit engage in grooves on the anchoring unit and the inner surfaces of the grooves run essentially at an acute angle to the upper surface of the centre section of the device. Ribs on the bridging unit have a wedge-shaped cross section matched to this angle and tapering to the outside of the device, so that the transition from the bridging unit to the anchoring units and thus to the building components separated by the gap can be …

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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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 6, 1989
GrantedOctober 13, 1992
Term endedOctober 13, 2009
Patent numberCA 1308567 C
Classification (IPC)E04B1/68 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedMarch 6, 1989Patent grantedOct 13, 1992Term endedOct 13, 2009

Sources & verification

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