Safety helmet
CA 1109601 A · Owner: Gyory, Kalman · Inventors: Gyory, Kalman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A safety helmet comprising an inflatable inter-, connected air-cushion system wherein the air-cushion system is positioned in the lower part of an integral helmet. The integral helmet has a tapered portion extending in a downward direction below the chin of the wearer and has a frontal, opening for the face. The air cushion system is positioned within a pocket in the helmet and extends from the lower edge of said helmet to at least the level of the ears but, not higher than the level of the temples of a wearer of the safety helmet The air-cushion system comprises a continuous band of two flexible foils, and means for interconnecting said foils in an air-tight manner, preferably comprising …
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 September 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 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.