Helmet shell fabric layer and method of making the same
CA 1211251 A · Owner: Gentex Corporation · Inventors: Grick, Shelly J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ballistic helmet shell layer in which A plurality of identical fabric segments,each formed with a pointed end and an arcuate end on the locus of a circle having its center at the pointed end,first are laid flat with portions of the edges extending from the pointed ends of adjacent segments butting. After the segments are secured to each other adjacent to the pointed ends,the assembly is formed to a generally hemispherical shape with the remaining side edge portions of adjacent segments coming into butting relationship with only the arcuate edges free,
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 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
- 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.