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Expired Canadian patentCanada

Armour component

CA 1233684 A · Owner: Groves, Trevor K. · Inventors: Groves, Trevor K.

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

An armour component having a pair of layers of flexible high impact-resistant material with at least two juxtaposed layers of hard beads between the flexible layers. The beads in the adjacent layers are disposed with beads thereof inter-nested in the inter-bead spaces of each other, and the volume occupied by the layers of beads is substantially void of all other material. The beads of each layer may be arranged in a regular closepacked lattice pattern, i.e. a hexagonal or square so that each bead contacts its immediately adjacent neighbour beads. The component is designed for flattening and trapping a bullet and when used as a body armour provides the outer part of the garment. An inner …

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 March 8, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 8, 2005.
  • 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 2, 1985
GrantedMarch 8, 1988
Term endedMarch 8, 2005
Patent numberCA 1233684 A
Classification (IPC)F41H1/02 +2 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedJuly 2, 1985Patent grantedMarch 8, 1988Term endedMarch 8, 2005

Sources & verification

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