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Canadian application, no grantCanada

Device for compensating variations in the length of tensioned cables, with substantially constant traction

CA 2271122 A1 · Owner: Nannini, Osvaldo · Inventors: Nannini, Osvaldo

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A device for compensating length variations of tensioned cables with a , substantially constant tension comprising a contrast element, which is meant to be interposed between one end of the tensioned cable and an anchoring element and is adapted to generate an elastic reaction which can vary as a function of the length variation of the cable. The device comprises elements for connecting the contrast element to the cable which are suitable to convert the elastic reaction of the contrast element into a substantially constant tension applied to the cable, regardless of its length over a preset length , variation range.

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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

  • Filed October 31, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 31, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 31, 2019.
  • 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, 1997
GrantedNo grant recorded
Term endedOctober 31, 2017
Patent numberCA 2271122 A1
Classification (IPC)H02G7/02 +1 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedOct 31, 1997Term endedOct 31, 2017

Sources & verification

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