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Expired Canadian patentCanada

Telescoping guide rail construction

CA 1064564 A · Owner: Thomas Regout N.V. · Inventors: Offermans, Hubert G.

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

TITLE: Telescoping Guide Rail Construction. ABSTRACT OF THE DISCLOSURE: A telescoping guide rail construction comprising a plurality of telescoping rails, generally U-shaped in cross-section and balls, between said rails running in concave ball races formed by integral mouldings of adjacent rails. At least one of the integral mouldings is formed by a portion of a flange bent over at the end of a leg of one of the rails and bent back at least substantially into contact with the leg concerned. In order to resist deformative effects from the rolling action of the balls on their races in use the free end, of the curved-back portion of the flange is bent back towards the leg concerned to form a …

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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 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 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—
GrantedOctober 16, 1979
Term endedOctober 16, 1996
Patent numberCA 1064564 A
Classification (IPC)A47B88/10

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedOct 16, 1979Term endedOct 16, 1996

Sources & verification

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