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Canadian application, no grantCanada

Torque transmitting device

CA 2021533 A1 · Owner: Aktiebolag Control Drive I Varmland · Inventors: Halen, Elov; Jonsson, Arne

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

1. A device for connecting an electric motor (2) ro-, tating with at least nearly constant rotational speed with a, pump (3) forming with the motor an assembly (1A 1B) in which the, two parts are spaced one from the other in particular as pre-, scribed by standards said motor having a housing with an end face (21) from which with a given free length (LM) projects an output stub shaft (2a), and said pump having an end face (3a) turned towards the said end face (2') of the motor (2) and from, which with a given free length (LP) and essentially co-axially, (X-X) with the said output stub shaft (2a) projects an input, stub shaft 13'), the adjacent free ends of the two stub shafts (2a, 3a) being …

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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 July 19, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 19, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 19, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 19, 1990
GrantedNo grant recorded
Term endedJuly 19, 2010
Patent numberCA 2021533 A1
Classification (IPC)F16H15/08

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedJuly 19, 1990Term endedJuly 19, 2010

Sources & verification

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