Hatch for armored vehicles
CA 1094602 A · Owner: Cadillac Gage Company · Inventors: Jackson, Theodore A.; Crabtree, James D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A hatch for an armored vehicle having a viewing block integral therewith to be moved with the hatch as the hatch is opened and closed. The hatch is mounted for guided movement on a downwardly sloping surface of the armored vehicle so as to move down and away from the hatch opening to allow viewing from the hatch opening downwardly over the opened hatch. The opening and closing guides include a threepoint roller guide rail support configured to allow the weight of the hatch to be carried by the rollers after an initial upward movement of the hatch from compressive engagement with a peripheral seal installed about vehicle openings and thence slid downwardly on the guide rails away from the …
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 January 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 27, 1998.
- 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.