Magnetic heading reference system for military vehicles
CA 1185677 A · Owner: Hamilton, Leslie A. · Inventors: Hamilton, Leslie A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A magnetic heading reference system for a vehicle having a rotatable turret. The reference system comprises a transmitter for mounting on the turret of such a vehicle to provide vehicle heading signals for an indicator system to be mounted in such a vehicle, and correction means to respond to turret rotation for correcting the heading of such a vehicle during use, the indicator system including a visual display for the display of the magnetic heading of such a vehicle.
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 April 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.