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Expired Canadian patentCanada

Expansion joint member

CA 1135104 A · Owner: Honel Holding Ag · Inventors: Honegger, Heinz; Bauer, Franz

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

This invention relates to a device for spanning expansion gaps in bridge decks or roadways. The invention provides s small simple and low cost edge channel member of Ushape which may be welded to one type or a variety of different commercially available steel sections in accordance with any particular needs. Screws accessible from above are provided to retain the edge portions of an elongate body of flexible resilient elastomeric material which spans the expansion gap. Thus the invention permits the installation of expansion joints for any desired thickness of the wearing course and any type of fastening to the concrete base course.

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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 9, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 24, 1980
GrantedNovember 9, 1982
Term endedNovember 9, 1999
Patent numberCA 1135104 A
Classification (IPC)E01D19/06

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedNov 24, 1980Patent grantedNov 9, 1982Term endedNov 9, 1999

Sources & verification

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