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Expired Canadian patentCanada

Moving coil miniature angular rate sensor

CA 1090627 A · Owner: General Dynamics Corporation · Inventors: Crittenden, Jack H.; Bitson, Joseph W.

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

A steering rate sensing device for rolling air frames includes a base member for attachment to the air frame, a magnetic member fixed to the base member, and a pick up coil pivotally mounted to the base in close proximity to the magnet such that movement of the coil relative to the magnet generates a signal proportional to the steering rate of the rotating body.

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.

Why it's free to use

  • Granted December 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 1997.
  • 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 21, 1978
GrantedDecember 2, 1980
Term endedDecember 2, 1997
Patent numberCA 1090627 A
Classification (IPC)G01C19/42 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJuly 21, 1978Patent grantedDec 2, 1980Term endedDec 2, 1997

Sources & verification

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