Patent Yard Sign in
Expired Canadian patentCanada

Speed indicator device for vehicles

CA 1308570 C · Owner: Veglia Borletti S.R.L. · Inventors: Bitetti, Rodolfo

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A speed indicator device for vehicles is described of, the type in which the speed indication is given over a scale by an index fitted to an oscillating element drawn by rotatable means for example comprising a permanent magnet carried into rotation by the shaft of an electric motor. The device comprises a bush on one side fixed to the magnet and on the other fixed by, means of a spring, to the shaft of the said electric motor.

Read the whole patent

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.
FiledDecember 14, 1987
GrantedOctober 13, 1992
Term endedOctober 13, 2009
Patent numberCA 1308570 C
Classification (IPC)G01P3/49 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 14, 1987Patent 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.